CVE-2026-4253

MEDIUM 4.7

Tenda AC8 Web UploadCfg route_set_user_policy_rule os command injection

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	tenda
Product	ac8
Published	Mar 16, 2026
Last Updated	Mar 16, 2026

Stay Ahead of the Next One

Get instant alerts for tenda ac8

Be the first to know when new medium vulnerabilities affecting tenda ac8 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC8

16.03.50.11

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.351211 vuldb.com: https://vuldb.com/?ctiid.351211 vuldb.com: https://vuldb.com/?submit.771771 github.com: https://github.com/digitalandrew/tenda_ac8_v5/blob/main/poc_cmdi_config_upload.py tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 DigitalAndrew (VulDB User)