CVE-2026-31181

CRITICAL

ToToLink A3300R v17.0.0cu.557_B20221024 - Command Injection

Title source: llm

Description

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.

References (1)

https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-server-addr-cmd-injection

View Writeup ZIP pw:eip

Scores

CVSS v3 9.8

EPSS 0.0006

EPSS Percentile 18.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-78

Status published

Published Apr 23, 2026

Tracked Since Apr 23, 2026