TOTOLINK vulnerabilities
We track 806 vulnerabilities in TOTOLINK products across 60+ products. 806 are rated high or critical, and none are known to be exploited. The most recent was published on November 7, 2026.
Latest TOTOLINK vulnerabilities
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument maxRtrAdvInterval leads to os command injec
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injectio
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection.
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection
- 7.2 High severity
N300RT: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be performed from remote. The exploit has
- 7.2 High severity
N300RT: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. T
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument enable causes os command injection. The at
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection.
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWiFiWpsStart of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument wscDisabled leads to os command injection. The att
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be la
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass leads to os command inject
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty_server can lead to os command inje
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument sys_info results in
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnet_enabled leads to os command inject
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument HTTP leads to os command injection. The attack may be p
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiAclRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mode causes os command injection. The attack is poss
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setNtpCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument tz results in os command injection. The atta
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setStorageCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument sambaEnabled leads to os command injecti
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injec
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge leads to os command injection. T
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument setIptvCfg results in os command injection. The atta
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument enable leads to os command injection. It is possible t
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiat
- 9.8 Critical severity
A8000RU: Improper Neutralization of Special Elements used in a Command
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru results in os command inject
- 9.8 Critical severity
A3300r Firmware: Improper Neutralization of Special Elements used in an OS Command
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunServerAddr parameter to /cgi-bin/cstecgi.cgi.
- 9.8 Critical severity
A3300r Firmware: Improper Neutralization of Special Elements used in an OS Command
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunMaxAlive parameter to /cgi-bin/cstecgi.cgi.
- 9.8 Critical severity
A3300r Firmware: Improper Neutralization of Special Elements used in an OS Command
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunMinAlive parameter to /cgi-bin/cstecgi.cgi.
- 9.8 Critical severity
A3300r Firmware: Improper Neutralization of Special Elements used in a Command
An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunEnable parameter to /cgi-bin/cstecgi.cgi.
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument admpass leads to os comm
- 8.8 High severity
A3002MU: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Totolink A3002MU B20211125.1046. Affected by this vulnerability is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. This manipulation of the argument wan-url causes stack-based b
- 8.8 High severity
A7000R: Improper Restriction of Operations within the Bounds of a Memory Buffer
A flaw has been found in TOTOLINK A7000R up to 9.1.0u.6115. The affected element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid5g causes stack-based buffer overflow. Remote exploitation of the attac
- 7.3 High severity
N300RH: Improper Neutralization of Special Elements used in a Command
A flaw has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setUpgradeUboot of the file upgrade.so. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploi
- 8.8 High severity
A800R: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed r
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument Comment leads to os command injection.
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A weakness has been identified in Totolink A7100RU 7.4cu.2313. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument pppoeServiceName can lead to os command inject
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os comman
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument FileName results in os command injection.
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument FileName leads to os command injection. The at
- 9.8 Critical severity
A7100RU: Improper Neutralization of Special Elements used in a Command
A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack