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
n350rt_firmware: Incorrect Authorization
Incorrect access control in TOTOLINK N350RT V9.3.5u.6139_B20201216 allows attackers to obtain the apmib configuration file, which contains the username and the password, via a crafted request to /cgi-bin/ExportSettings.sh.
- 8.8 High severity
x5000r: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setAccessDeviceCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setDmzCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in delBlacklist. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 7.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in addBlacklist. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setWiFiWpsCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setWanIeCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setUPnPCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setModifyVpnUser. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setSyslogCfg . Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setUrlFilterRules. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 8.8 High severity
x5000r_firmware: Improper Neutralization of Special Elements used in an OS Command
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setL2tpServerCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
- 9.8 Critical severity
CP450: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, was found in TOTOLINK CP450 4.1.0cu.747_B20191224. Affected is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. It is possible to la
- 9.8 Critical severity
CP900: Improper Neutralization of Special Elements used in a Command
A vulnerability, which was classified as critical, has been found in TOTOLINK CP900 6.3c.566. This issue affects the function setTelnetCfg of the component Telnet Service. The manipulation of the argument telnet_enabled leads to command injection. The attack m
- 9.8 Critical severity
CP900: Buffer Copy without Checking Size of Input
A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiate
- 9.8 Critical severity
N350RT: Buffer Copy without Checking Size of Input
A vulnerability classified as critical has been found in TOTOLINK N350RT 9.3.5u.6139_B20201216. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to initiate
- 8.8 High severity
EX1200L: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer overflow. It
- 8.8 High severity
EX1200L: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. Affected by this issue is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow.
- 8.8 High severity
EX200: Buffer Copy without Checking Size of Input
A vulnerability classified as critical was found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to buffer overflow. The attack
- 8.8 High severity
EX200: Buffer Copy without Checking Size of Input
A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It
- 8.8 High severity
EX1200L: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. It has been rated as critical. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation leads to buffer overflow. The attack may be initiated remo
- 8.8 High severity
N350RT: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK N350RT 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument week/sTime/eTime leads to buffer o
- 9.8 Critical severity
CP450: Use of Hard-coded Credentials
A vulnerability was found in TOTOLINK CP450 4.1.0cu.747_B20191224. It has been classified as critical. This affects an unknown part of the file /web_cste/cgi-bin/product.ini of the component Telnet Service. The manipulation leads to use of hard-coded password.
- 8.8 High severity
A3300R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The atta
- 8.8 High severity
CA300-PoE: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been declared as critical. This vulnerability affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack can b
- 8.8 High severity
LR1200: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in TOTOLINK LR1200 9.3.1cu.2832 and classified as critical. Affected by this issue is the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument host_time leads to command injection. The attack may
- 8.8 High severity
LR350: Improper Neutralization of Special Elements used in a Command
A vulnerability has been found in TOTOLINK LR350 9.3.5u.6369_B20220309 and classified as critical. Affected by this vulnerability is the function setWanCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument hostName leads to command injection.
- 8.8 High severity
A7000R: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, was found in TOTOLINK A7000R 9.1.0u.6268_B20220504. Affected is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to lau
- 8.8 High severity
A7000R: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, has been found in TOTOLINK A7000R 9.1.0u.6268_B20220504. This issue affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The atta
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow.
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been classified as critical. This affects the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment leads to buffer overflow. It is po
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102 and classified as critical. Affected by this issue is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument webWlanIdx leads to buffer overflow. The att
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102 and classified as critical. Affected by this vulnerability is the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument url leads to buffer overflo
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. Affected is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. It is possib
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability, which was classified as critical, has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. This issue affects the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. The
- 8.8 High severity
A3600R: Improper Neutralization of Special Elements used in a Command
A vulnerability classified as critical was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. This vulnerability affects the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument telnet_enabled leads to command injection. The a
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability classified as critical has been found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. This affects the function setPortForwardRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment leads to buffer overflow. It is possible t
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been rated as critical. Affected by this issue is the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument startTime/endTime leads to buffer ove
- 8.8 High severity
A3600R: Buffer Copy without Checking Size of Input
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. Affected by this vulnerability is the function setMacQos of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument priority/macAddress leads to buff
- 8.8 High severity
A3600R: Improper Neutralization of Special Elements used in a Command
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been classified as critical. Affected is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument langType leads to buffer overflow. It is possibl