CVE-2026-31181

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cve@mitre.org

Published

2026-04-23

Last modified

2026-04-23

Weaknesses

CWE-78

Affected products

• A3300r Firmware (Totolink)

References

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