CVE-2025-12611

CriticalCVSS 9.8/10Last modified Oct 18, 2026

Description

A vulnerability was identified in Tenda AC21 16.03.08.16. This vulnerability affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp leads to buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-120

Affected software

Vendor	Product	Versions
Tenda	AC21	16.03.08.16

References

https://github.com/LX-LX88/cve/issues/10Exploit, Issue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.330906Permissions Required, VDB Entry
https://vuldb.com/?id.330906Third Party Advisory, VDB Entry
https://vuldb.com/?submit.678491Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Nov 3, 2025
Last modified: Oct 18, 2026
NVD status: Analyzed

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