CVE-2026-4253CWE-77CWE-78

Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection

Medium · published March 16, 2026

CVSS v4.0
5.1
EPSS
9%
Percentile
95.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
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
EPSS
0.08557 · 95.1th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-16T17:02Z
EPSS history
Timeline
  • 16 MAR 17:02Z
    Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection
    cvelistv5