CVE-2025-14656

A weakness has been identified in Tenda AC20 16.03.08.12. This affects the function httpd of the file /goform/openSchedWifi. Executing a manipulation of the argument schedStartTime/schedEndTime can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

• CWE-119
• CWE-120

• https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN14/AC20_openSchedWifi.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.336389Permissions Required, VDB Entry
• https://vuldb.com/?id.336389Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.712917Third Party Advisory, VDB Entry
• https://www.tenda.com.cn/Product

Published

Dec 14, 2025

Last Modified

Jun 17, 2026

Status

Modified

• 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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