CVE-2026-31255

CRITICAL

Tenda AC18 V15.03.05.05 - Command Injection

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0027
EPSS Percentile 50.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-77
Status published
Products (1)
tenda/ac18_firmware 15.03.05.05
Published Apr 27, 2026
Tracked Since Apr 28, 2026