CVE-2026-82616

A stack-based buffer overflow in the setUploadSetting function of /cgi-bin/cstecgi.cgi affects TOTOLINK NR1800X firmware 9.1.0u.6681_B20230703 . The flaw is triggered by manipulating the FileName argument, allowing a remote attacker with low privileges to overflow the stack and potentially gain c...

CVE-2025-63821

CVE-2025-63821 Submitter: Nicola Giuffrida Information Vendor: TOTOLINK Vendor's website: TOTOLINK Model: A720R Firmware version: V4.1.5cu.630B20250509 Firmware download address: TOTOLINK Severity CVSS v4.0 Base Score: 4.8 Medium Vector:...

CVE-2026-82597

A command injection vulnerability exists in TOTOLINK NR1800X (version 9.1.0u.6681_B20230703), specifically in the setUssd function of /cgi-bin/cstecgi.cgi . Manipulating the ussd argument allows a remote attacker with low privileges to inject arbitrary commands. The attack requires no user intera...

EUVD-2026-68300

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used...

EUVD-2026-68277

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866B20220506. This vulnerability affects the function loginAuth of the file /webcste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack...

CVE-2026-82555

CVE-2026-82555 affects the TOTOLINK N600R router (firmware 4.3.0cu.7866_B20220506 ). The vulnerability resides in the loginAuth function of /web_cste/cgi-bin/cstecgi.cgi (Authentication Handler component) and is caused by insufficiently random values , leading to predictable authentication tokens...

CVE-2026-82539

CVE-2026-82539 Submitter: Nicola Giuffrida Information Vendor: TOTOLINK Vendor's website: TOTOLINK Model: A720R Firmware version: V4.1.5cu.630B20250509 Firmware download address: TOTOLINK Severity CVSS v4.0 Base Score: 8.7 High Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA...

CVE-2026-82539

A memory corruption vulnerability in the setMacFilterRules function of cstecgi.cgi (MAC Filtering component) in TOTOLINK A720R firmware 4.1.5cu.630_B20250509 allows a remote, authenticated attacker to corrupt memory by manipulating the desc argument. CVSS 3.1 scores the issue 9.1 (Critical) with ...

EUVD-2026-68181

A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing a manipulation of the argument desc can lead to memory corruption. The attack may be launched remotely. The exploit...

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 - 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 EX1200T 4.1.2cu.5215 - Authentication Bypass

TOTOLINK EX1200T 4.1.2cu.5215 is susceptible to authentication bypass. An attacker can bypass login by sending a specific request through formLoginAuth.htm, thus potentially being able to obtain sensitive information, modify data, and/or execute unauthorized operations. id: CVE-2021-42887 info:...

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 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:...