CVE-2026-4253 MEDIUM

CVE-2026-4253: Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection

Vendor Tenda
Product AC8
Weakness CWE-78
Published March 16, 2026
Last update March 16, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

March 16, 2026 CVE published
March 16, 2026 Record updated