CyberSecBulletin

Tenda vulnerabilities

We track 1,180 vulnerabilities in Tenda products across 60+ products. 1,180 are rated high or critical, and 3 have been exploited in real attacks. The most recent was published on November 14, 2026.

1,180vulnerabilities
348critical
832high
3exploited
8.8average CVSS score

Latest Tenda vulnerabilities

  • 8.8 High severity

    CH22: Out-of-bounds Write

    CVE-2026-5204TendaEPSS 2.52%

    A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack

  • 8.8 High severity

    CH22: Out-of-bounds Write

    CVE-2026-5156Tenda

    A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is p

  • 8.8 High severity

    CH22: Out-of-bounds Write

    CVE-2026-5155Tenda

    A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be execut

  • 8.8 High severity

    CH22: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-5154Tenda

    A vulnerability has been found in Tenda CH22 1.0.0.1/1.If. The impacted element is the function fromSetCfm of the file /goform/setcfm of the component Parameter Handler. The manipulation of the argument funcname leads to stack-based buffer overflow. Remote exp

  • 8.8 High severity

    CH22: Improper Neutralization of Special Elements used in a Command

    CVE-2026-5153TendaEPSS 3.36%

    A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has

  • 8.8 High severity

    CH22: Out-of-bounds Write

    CVE-2026-5152Tenda

    A vulnerability was detected in Tenda CH22 1.0.0.1. Impacted is the function formCreateFileName of the file /goform/createFileName. Performing a manipulation of the argument fileNameMit results in stack-based buffer overflow. The attack may be initiated remote

  • 8.8 High severity

    FH1201: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-5046Tenda

    A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack ma

  • 8.8 High severity

    FH1201: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-5045Tenda

    A vulnerability was detected in Tenda FH1201 1.2.0.14(408). This impacts the function WrlclientSet of the file /goform/WrlclientSet of the component Parameter Handler. Performing a manipulation of the argument GO results in stack-based buffer overflow. The att

  • 8.8 High severity

    4G06: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-5036Tenda

    A vulnerability was found in Tenda 4G06 04.06.01.29. This vulnerability affects the function fromDhcpListClient of the file /goform/DhcpListClient of the component Endpoint. Performing a manipulation of the argument page results in stack-based buffer overflow.

  • 8.8 High severity

    F453: Out-of-bounds Write

    CVE-2026-5021Tenda

    A flaw has been found in Tenda F453 1.0.0.3. This affects the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. This manipulation of the argument delno causes stack-based buffer overflow. Remote exploitation of the attack

  • 8.8 High severity

    AC15: Out-of-bounds Write

    CVE-2026-4975Tenda

    A vulnerability has been found in Tenda AC15 15.03.05.19. This affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack can be

  • 8.8 High severity

    AC7: Out-of-bounds Write

    CVE-2026-4974Tenda

    A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow

  • 8.8 High severity

    AC6: Out-of-bounds Write

    CVE-2026-4961Tenda

    A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buf

  • 8.8 High severity

    AC6: Out-of-bounds Write

    CVE-2026-4960Tenda

    A vulnerability was determined in Tenda AC6 15.03.05.16. Affected is the function fromWizardHandle of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer overflo

  • 8.8 High severity

    AC5: Out-of-bounds Write

    CVE-2026-4906TendaEPSS 2.71%

    A vulnerability was determined in Tenda AC5 15.03.06.47. The affected element is the function decodePwd of the file /goform/WizardHandle of the component POST Request Handler. Executing a manipulation of the argument WANT/WANS can lead to stack-based buffer ov

  • 8.8 High severity

    AC5: Out-of-bounds Write

    CVE-2026-4905Tenda

    A vulnerability was found in Tenda AC5 15.03.06.47. Impacted is the function formWifiWpsOOB of the file /goform/WifiWpsOOB of the component POST Request Handler. Performing a manipulation of the argument index results in stack-based buffer overflow. Remote exp

  • 8.8 High severity

    AC5: Out-of-bounds Write

    CVE-2026-4904Tenda

    A vulnerability has been found in Tenda AC5 15.03.06.47. This issue affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. Such manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack m

  • 8.8 High severity

    AC5: Out-of-bounds Write

    CVE-2026-4903TendaEPSS 5.79%

    A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the argument PPPOEPassword causes stack-based buffer overflow. The

  • 8.8 High severity

    AC5: Out-of-bounds Write

    CVE-2026-4902Tenda

    A vulnerability was detected in Tenda AC5 15.03.06.47. This affects the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page results in stack-based buffer overflow. The attack can b

  • 9.8 Critical severity

    A15: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4567TendaEPSS 3.84%

    A vulnerability has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File leads to stack-based buffer overflow. The attack may be initiated remotely. The exploi

  • 8.8 High severity

    AC21: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4565Tenda

    A vulnerability was detected in Tenda AC21 16.03.08.16. Impacted is the function formSetQosBand of the file /goform/SetNetControlList. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely. The exploit

  • 8.8 High severity

    F453: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-4554TendaEPSS 3.9%

    A security flaw has been discovered in Tenda F453 1.0.0.3. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac results in command injection. It is possible to launch the attack remotely. Th

  • 8.8 High severity

    F453: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4553Tenda

    A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /goform/Natlimit of the component Parameters Handler. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate

  • 8.8 High severity

    F453: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4552Tenda

    A vulnerability was determined in Tenda F453 1.0.0.3. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component Parameters Handler. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The

  • 8.8 High severity

    F453: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4551Tenda

    A vulnerability was found in Tenda F453 1.0.0.3. This vulnerability affects the function fromSafeClientFilter of the file /goform/SafeClientFilter of the component Parameters Handler. Performing a manipulation of the argument menufacturer/Go results in stack-b

  • 8.8 High severity

    FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4535Tenda

    A vulnerability has been found in Tenda FH451 1.0.0.9. This vulnerability affects the function WrlclientSet of the file /goform/WrlclientSet. Such manipulation of the argument GO leads to stack-based buffer overflow. The attack can be launched remotely. The ex

  • 8.8 High severity

    FH451: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4534Tenda

    A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publish

  • 8.8 High severity

    A18 Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4493Tenda

    A vulnerability was determined in Tenda A18 Pro 02.03.02.28. The impacted element is the function sub_423B50 of the file /goform/setMacFilterCfg of the component MAC Filtering Configuration Endpoint. Executing a manipulation of the argument deviceList can lead

  • 8.8 High severity

    A18 Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4492Tenda

    A vulnerability was found in Tenda A18 Pro 02.03.02.28. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. The attack is possible to be

  • 8.8 High severity

    A18 Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4491Tenda

    A vulnerability has been found in Tenda A18 Pro 02.03.02.28. Impacted is the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The explo

  • 8.8 High severity

    A18 Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4490Tenda

    A flaw has been found in Tenda A18 Pro 02.03.02.28. This issue affects the function setSchedWifi of the file /goform/openSchedWifi. This manipulation causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publis

  • 8.8 High severity

    A18 Pro: Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVE-2026-4489Tenda

    A vulnerability was detected in Tenda A18 Pro 02.03.02.28. This vulnerability affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation results in stack-based buffer overflow. The attack may be launched remotel

  • 9.8 Critical severity

    AC8: Out-of-bounds Write

    CVE-2026-4254TendaEPSS 1.01%

    A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflo

  • 7.2 High severity

    AC8: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-4253TendaEPSS 8.14%

    A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection

  • 9.8 Critical severity

    AC8: Improper Authentication

    CVE-2026-4252TendaEPSS 1.43%

    A vulnerability was identified in Tenda AC8 16.03.50.11. Affected by this issue is the function check_is_ipv6 of the component IPv6 Handler. The manipulation leads to reliance on ip address for authentication. It is possible to initiate the attack remotely. Th

  • 8.8 High severity

    i12: Out-of-bounds Write

    CVE-2026-4043Tenda

    A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function formwrlSSIDget of the file /goform/wifiSSIDget. Such manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched

  • 8.8 High severity

    i12: Out-of-bounds Write

    CVE-2026-4042Tenda

    A weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. This manipulation of the argument index causes stack-based buffer overflow. The attack may be initiated r

  • 8.8 High severity

    i12: Out-of-bounds Write

    CVE-2026-4041Tenda

    A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The explo

  • 8.8 High severity

    W3: Out-of-bounds Write

    CVE-2026-4008Tenda

    A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It i

  • 8.8 High severity

    W3: Out-of-bounds Write

    CVE-2026-4007Tenda

    A vulnerability was detected in Tenda W3 1.0.0.3(2204). This vulnerability affects unknown code of the file /goform/wifiSSIDget of the component POST Parameter Handler. Performing a manipulation of the argument index results in stack-based buffer overflow. It