TOTOLINK/Realtek Routers - CAPTCHA Bypass

On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via a POST request to the boafrm/formLogin URI with the JSON payload "topicurl":"setting/getSanvas". This allows an unauthenticated attacker to bypass CAPTCHA verification, gaining unauthorized access to restricted...

TOTOLink - Unauthenticated Command Injection

TOTOLink A950RG V5.9c.4050B20190424 and V4.1.2cu.5204B20210112 were discovered to contain a command injection vulnerability in the Main function. This vulnerability allows attackers to execute arbitrary commands via the QUERYSTRING parameter. id: CVE-2022-25082 info: name: TOTOLink -...

TotoLink Router setMacFilterRules - Command Injection

TOTOLINK A3300R V17.0.0cu.557B20221024 was discovered to contain a command injection vulnerability via the enable parameter in the setMacFilterRules function. id: CVE-2024-24328 info: name: TotoLink Router setMacFilterRules - Command Injection author: pussycat0x severity: critical description: |...

TOTOLINK CX-A3002RU - Remote Code Execution

An issue in TOTOLINK-CX-A3002RU V1.0.4-B20171106.1512 and TOTOLINK-CX-N150RT V2.1.6-B20171121.1002 and TOTOLINK-CX-N300RT V2.1.6-B20170724.1420 and TOTOLINK-CX-N300RT V2.1.8-B20171113.1408 and TOTOLINK-CX-N300RT V2.1.8-B20191010.1107 and TOTOLINK-CX-N302RE V2.0.2-B20170511.1523 allows a remote...

TOTOLINK/Realtek Routers - Information Disclosure

A certain router administration interface using Realtek APMIB e.g., on TOTOLINK models allows unauthenticated remote attackers to disclose the entire router configuration, including sensitive credentials, via accessing the "config.dat" file. Affected devices include TOTOLINK A3002RU through 2.0.0...

TOTOLINK Realtek SD Routers - Remote Command Injection

TOTOLINK Realtek SDK based routers may allow an authenticated attacker to execute arbitrary OS commands via the sysCmd parameter to the boafrm/formSysCmd URI, even if the GUI syscmd.htm is not available. This allows for full control over the device's internals. This affects A3002RU through 2.0.0,...

TOTOLink - Unauthenticated Command Injection

TOTOLINK X5000R V9.1.0u.6118B20201102 and V9.1.0u.6369B20230113 contain a command insertion vulnerability in setting/setTracerouteCfg. This vulnerability allows an attacker to execute arbitrary commands through the "command" parameter. id: CVE-2023-30013 info: name: TOTOLink - Unauthenticated...

TOTOLINK A3700R - Command Injection

An issue in TOTOLINK A3700R v.9.1.2u.616520211012 allows a remote attacker to execute arbitrary code via the FileName parameter of the UploadFirmwareFile function. id: CVE-2023-46574 info: name: TOTOLINK A3700R - Command Injection author: DhiyaneshDk severity: critical description: | An issue in...

TOTOLINK EX1800T TOTOLINK EX1800T - Command Injection

TOTOLINK EX1800T V9.1.0cu.2112B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges. id: CVE-2024-34257 info: name: TOTOLINK EX1800T TOTOLINK EX1800T - Command Injecti...

TOTOLINK CP450 v4.1.0cu.747_B20191224 - Hard-Coded Password Vulnerability

A critical vulnerability has been discovered in TOTOLINK CP450 version 4.1.0cu.747B20191224. This vulnerability affects an unknown part of the file /webcste/cgi-bin/product.ini of the Telnet Service component. The issue stems from the use of a hard-coded password, which can be exploited remotely...

TOTOLINK/Realtek Routers - Information Disclosure

A certain router administration interface using Realtek APMIB e.g., on TOTOLINK models allows unauthenticated remote attackers to disclose the entire router configuration, including sensitive credentials, via accessing the "config.dat" file. Affected devices include TOTOLINK A3002RU through 2.0.0...

TOTOLINK A3002RU 1.0.8 - Information Disclosure

TOTOLINK A3002RU firmware version 1.0.8 contains a vulnerability in which an unauthenticated attacker can obtain the plaintext admin password by making a GET request for password.htm. This allows remote attackers to gain administrative access without credentials. id: CVE-2018-13317 info: name:...

TotoLink Router setPortForwardRules - Command Injection

TOTOLINK A3300R V17.0.0cu.557B20221024 was discovered to contain a command injection vulnerability via the enable parameter in the setPortForwardRules function. id: CVE-2024-24329 info: name: TotoLink Router setPortForwardRules - Command Injection author: pussycat0x severity: critical description...

CVE-2026-124060

A buffer overflow vulnerability exists in the TOTOLINK CA300-PoE (firmware version 6.2c.884) within the UploadCustomModule function of the /cgi-bin/cstecgi.cgi file. The vulnerability is triggered by manipulating the File argument, which can be exploited remotely. This flaw allows for a potential...

EUVD-2026-119328

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used...

EUVD-2026-119326

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit...

CVE-2026-124059

The TOTOLINK CA300-PoE (version 6.2c.884) is susceptible to a buffer overflow vulnerability within the setWiFiWdsAddConfig function of the /cgi-bin/cstecgi.cgi file. The flaw is triggered by manipulating the ApCliKeyStr argument. This vulnerability can be exploited remotely , potentially leading ...

EUVD-2026-119325

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made availabl...

CVE-2026-124058

A buffer overflow vulnerability exists in TOTOLINK CA300-PoE running firmware version 6.2c.884 . The flaw is located in the setWiFiRepeaterConfig function within the /cgi-bin/cstecgi.cgi file. By manipulating the ApCliKeyStr argument, a remote attacker can trigger a buffer overflow. This vulnerab...

CVE-2026-124057

A security flaw exists in TOTOLINK CA300-PoE firmware version 6.2c.884 . The vulnerability is located in the setWiFiMultipleConfig function within the /cgi-bin/cstecgi.cgi file. By manipulating the Key1Str1 argument, a remote attacker can trigger a buffer overflow . Public exploits for this vulne...