VULNERABILITY INTELLIGENCE

CVE-2026-4254

CVSS score9.8 CRITICAL

EPSS probability0.90%

CISA KEVNot currently listed

Published2026-03-16

Last modified2026-06-17

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

Description

A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Weakness classification

cna@vuldb.com: CWE-119
nvd@nist.gov: CWE-787

Primary references

cna@vuldb.com — Exploit, Third Party Advisory
cna@vuldb.com — Permissions Required, VDB Entry
cna@vuldb.com — Third Party Advisory, VDB Entry
cna@vuldb.com — Third Party Advisory, VDB Entry
cna@vuldb.com — Product