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
- 7.5 High severity
A3000RU: Incorrect Privilege Assignment
A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipu
- 9.4 Critical severity
EX1200L: Stack-based Buffer Overflow
Totolink EX1200L router is vulnerable to Buffer Overflow in the login functionality in cgi-bin/cstecgi.cgi endpoint. This vulnerability could be exploited to cause the program to crash and to execute code remotely. This allows the attacker to perform actions a
- 9.8 Critical severity
N300RH: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument KeyStr results in stack-
- 9.8 Critical severity
N300RH: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection.
- 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. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command
- 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 setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument mac 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. This vulnerability affects the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os com
- 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 affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument Comment causes os command injection. R
- 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 impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument enabled leads to os command inj
- 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. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os com
- 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. Impacted is the function setOpenVpnCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enabled results in os command injection. The
- 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 issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command
- 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 vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername c
- 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. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os comm
- 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. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os comm
- 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. Impacted is the function setWiFiWpsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument wscDisabled leads to os com
- 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 issue affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument enable causes os command inj
- 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 vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection re
- 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 by this issue is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os co
- 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. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument fire
- 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 is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command inj
- 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 impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os co
- 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. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. T
- 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. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os
- 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 affected element is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument resetFlags resu
- 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. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. Th
- 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 setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument command causes os command inj
- 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 setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument ip results in os command inj
- 8.8 High severity
X5000R: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability has been found in Totolink X5000R 9.1.0u.6369_B20230113. This vulnerability affects the function sub_458E40 of the file /boafrm/formDdns. The manipulation of the argument submit-url leads to buffer overflow. Remote exploitation of the attack is
- 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. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely
- 8.8 High severity
N300RH: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer ov
- 8.8 High severity
N300RH: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument priDns leads to buffer overflow. The
- 8.8 High severity
N300RH: Improper Restriction of Operations within the Bounds of a Memory Buffer
A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer
- 9.8 Critical severity
N300RH: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument Password results in
- 9.8 Critical severity
WA300: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer over
- 8.8 High severity
WA300: Improper Restriction of Operations within the Bounds of a Memory Buffer
A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer o
- 8.8 High severity
NR1800X: Improper Neutralization of Special Elements in Output Used by a Downstream Component
A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument setUssd results in command injection. The attack is possible to be carried
- 9.8 Critical severity
NR1800X: Improper Restriction of Operations within the Bounds of a Memory Buffer
A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be ex
- 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. This issue affects the function Vulnerability of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument proto leads to os command injection. The attac
- 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 setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command in