CVE-2026-4253 — Command Injection in AC8

CWE-77 — Command InjectionCWE-78 — OS Command Injection3 documents3 sources
Severity
5.1MEDIUMNVD
EPSS
0.4%
top 40.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda AC8Tenda AC8 Firmware
Timeline
PublishedMar 16

Description

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.

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

Affected Packages2 packages

▶CVEListV5tenda/ac816.03.50.11
▶NVDtenda/ac8_firmware16.03.50.11

🔴Vulnerability Details

2
CVEList
Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection↗2026-03-16
▶
GHSA
GHSA-6g93-h28j-6gjp: A security flaw has been discovered in Tenda AC8 16↗2026-03-16
▶
CVE-2026-4253 — Command Injection in Tenda AC8 | cvebase