CVE-2026-7749

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument priDns leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may 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

Affected software

No affected versions have been published.

Timeline

Published
May 4, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-7749: High severity, CVSS 8.8 | Vulnix