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.
Latest Tenda vulnerabilities
- 8.8 High severity
O3V2: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda O3V2 1.0.0.12(3880) and classified as critical. Affected by this vulnerability is the function fromNetToolGet of the file /goform/setPingInfo of the component httpd. The manipulation of the argument ip leads to stack-bas
- 8.8 High severity
O3V2: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Tenda O3V2 1.0.0.12(3880). Affected is the function fromSysToolTime of the file /goform/setSysTimeInfo of the component httpd. The manipulation of the argument Time leads to stack-based buffer ove
- 8.8 High severity
O3V2: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability, which was classified as critical, has been found in Tenda O3V2 1.0.0.12(3880). This issue affects the function fromTraceroutGet of the file /goform/getTraceroute of the component httpd. The manipulation of the argument dest leads to command in
- 8.8 High severity
O3V2: Improper Neutralization of Special Elements used in a Command
A vulnerability classified as critical was found in Tenda O3V2 1.0.0.12(3880). This vulnerability affects the function fromNetToolGet of the file /goform/setPingInfo of the component httpd. The manipulation of the argument domain leads to os command injection.
- 7.5 High severity
Cp3 Pro Firmware: Use of Weak Credentials
Insecure Permissions vulnerability in Tenda CP3 Pro Firmware V22.5.4.93 allows the telnet service (telnetd) by default at boot via the initialization script /etc/init.d/eth.sh. This allows remote attackers to connect to the device s shell over the network, pot
- 8.8 High severity
AC5: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The atta
- 8.8 High severity
AC5: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based
- 8.8 High severity
FH1203: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Tenda FH1203 2.0.1.6. Affected is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to launch the atta
- 8.8 High severity
FH1205: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, has been found in Tenda FH1205 2.0.0.7. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack may be ini
- 8.8 High severity
FH1205: Out-of-bounds Write
A vulnerability classified as critical was found in Tenda FH1205 2.0.0.7(775). This vulnerability affects the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be
- 8.8 High severity
FH1201: Out-of-bounds Write
A vulnerability classified as critical has been found in Tenda FH1201 1.2.0.14(408). This affects an unknown part of the file /goform/SafeMacFilter. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the atta
- 7.5 High severity
Ac6 Firmware: Buffer Copy without Checking Size of Input
Buffer Overflow vulnerability in Tenda AC6 v.15.03.05.16 allows a remote attacker to cause a denial of service via the oversized schedStartTime and schedEndTime parameters in an unauthenticated HTTP GET request to the /goform/openSchedWifi endpoint
- 8.8 High severity
FH1202: Out-of-bounds Write
A vulnerability was found in Tenda FH1202 1.2.0.14. It has been classified as critical. Affected is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to launch
- 7.1 High severity
AC9: Cross-Site Request Forgery
A vulnerability, which was classified as problematic, was found in Tenda AC9 15.03.02.13. This affects an unknown part. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the
- 9.8 Critical severity
AC5: Out-of-bounds Write
A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow. It is poss
- 9.8 Critical severity
AC7: Buffer Copy without Checking Size of Input
A vulnerability was found in Tenda AC7 15.03.06.44 and classified as critical. This issue affects the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. The attack may be initiated
- 9.8 Critical severity
AC7: Buffer Copy without Checking Size of Input
A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be in
- 9.8 Critical severity
AC6: Out-of-bounds Write
A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This affects the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow. It is poss
- 8.8 High severity
AC6: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, has been found in Tenda AC6 15.03.05.16. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack ma
- 8.8 High severity
AC6: Out-of-bounds Write
A vulnerability classified as critical was found in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg. The manipulation of the argument remoteIp leads to stack-based buffer overflow.
- 8.8 High severity
AC6: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability classified as critical has been found in Tenda AC6 15.03.05.16. Affected is the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. It is possible to launch the attac
- 8.8 High severity
AC15: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been rated as critical. This issue affects the function fromadvsetlanip of the file /goform/AdvSetLanip of the component HTTP POST Request Handler. The manipulation of the argument lanMask leads
- 8.8 High severity
AC15: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been declared as critical. This vulnerability affects the function formsetschedled of the file /goform/SetLEDCf of the component HTTP POST Request Handler. The manipulation of the argument Time
- 8.8 High severity
AC15: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC15 15.03.05.19_multi. It has been classified as critical. This affects the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argument remot
- 8.8 High severity
AC15: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC15 15.03.05.19_multi and classified as critical. Affected by this issue is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. The manipulation of the argument li
- 8.8 High severity
AC9: Out-of-bounds Write
A vulnerability has been found in Tenda AC9 15.03.02.13 and classified as critical. Affected by this vulnerability is the function formSetSafeWanWebMan of the file /goform/SetRemoteWebCfg of the component HTTP POST Request Handler. The manipulation of the argu
- 8.8 High severity
AC9: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask l
- 8.8 High severity
AC8: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC8 16.03.34.09. It has been declared as critical. Affected by this vulnerability is the function fromSetWirelessRepeat of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to stack-based buf
- 8.8 High severity
AC8: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was found in Tenda AC8 16.03.34.09. It has been classified as critical. Affected is the function fromSetSysTime of the file /goform/SetSysTimeCfg. The manipulation of the argument timeType leads to stack-based buffer overflow. It is possible to
- 8.8 High severity
AC5: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, was found in Tenda AC5 1.0/15.03.06.47. This affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to initiate
- 8.8 High severity
AC5: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability, which was classified as critical, has been found in Tenda AC5 15.03.06.47. Affected by this issue is the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. The atta
- 8.8 High severity
CP3: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Tenda CP3 11.10.00.2311090948 and classified as critical. Affected by this vulnerability is the function sub_F3C8C of the file apollo. The manipulation leads to command injection. The attack can be launched remotely. The explo
- 9.8 Critical severity
CH22: Out-of-bounds Write
A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the
- 9.8 Critical severity
AC10: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, was found in Tenda AC10 up to 15.03.06.47. This affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg of the component HTTP Handler. The manipulation of the argument startIp/endIp leads t
- 9.8 Critical severity
CH22: Out-of-bounds Write
A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. This issue affects the function formaddUserName of the file /goform/addUserName. The manipulation of the argument Password leads to stack-based buffer overflow. The attack
- 8.8 High severity
AC18: Buffer Copy without Checking Size of Input
A vulnerability classified as critical was found in Tenda AC18 15.03.05.05. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. The attack can be lau
- 8.8 High severity
AC18: Buffer Copy without Checking Size of Input
A vulnerability classified as critical has been found in Tenda AC18 15.03.05.05. Affected is the function formsetreboottimer of the file /goform/SetSysAutoRebbotCfg. The manipulation of the argument rebootTime leads to buffer overflow. It is possible to launch
- 8.8 High severity
AC18: Buffer Copy without Checking Size of Input
A vulnerability was found in Tenda AC18 15.03.05.05. It has been rated as critical. This issue affects the function formSetPPTPUserList of the file /goform/setPptpUserList. The manipulation of the argument list leads to buffer overflow. The attack may be initi
- 9.8 Critical severity
AC18: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Tenda AC18 15.03.05.05. It has been declared as critical. This vulnerability affects the function formSetIptv of the file /goform/SetIPTVCfg. The manipulation of the argument list leads to command injection. The attack can be initi
- 8.8 High severity
RX3: Out-of-bounds Write
A vulnerability was found in Tenda RX3 16.03.13.11_multi_TDE01. It has been rated as critical. This issue affects the function save_staticroute_data of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overfl