CVE-2025-13446

A vulnerability has been found in Tenda AC21 16.03.08.16. This vulnerability affects unknown code of the file /goform/SetSysTimeCfg. The manipulation of the argument timeZone/time leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

• CWE-119
• CWE-121

• https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.mdExploit, Third Party Advisory
• https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.333018Permissions Required, VDB Entry
• https://vuldb.com/?id.333018Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.694425Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.694430Third Party Advisory, VDB Entry
• https://www.tenda.com.cn/Product
• https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN8.mdExploit, Third Party Advisory
• https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN9.mdExploit, Third Party Advisory

Published

Nov 20, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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