CVE-2026-31255

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A command injection vulnerability exists in Tenda AC18 V15.03.05.05_multi. The vulnerability is located in the /goform/SetSambaCfg interface, where improper handling of the guestuser parameter allows attackers to execute arbitrary system commands.

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
Apr 27, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-31255: Critical severity, CVSS 9.8 | Vulnix