CVE-2026-19846

HighCVSS 8.8/10Last modified Aug 14, 2026

Description

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137_B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-121

Affected software

No affected versions have been published.

Timeline

Published: Aug 14, 2026
Last modified: Aug 14, 2026
NVD status: Deferred

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