CVE-2026-5020

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A vulnerability was detected in Totolink A3600R 4.1.2cu.5182_B20201102. Affected by this issue is the function setNoticeCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument NoticeUrl results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 29, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-5020: Critical severity, CVSS 9.8 | Vulnix