CVE-2026-31181

PoC —

CVSS 3.1

9.8 critical

EPSS

<1%p46

Published

Apr 23, 2026 (Apr 23, 2026)

Modified

Jun 17, 2026

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.

Vendors: totolink
Products: a3300r firmware
Weakness: CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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