CVE-2025-12611

HIGH 8.8

Tenda AC21 SetPptpServerCfg formSetPPTPServer buffer overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	tenda
Product	ac21
Published	Nov 3, 2025
Last Updated	Feb 24, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / AC21

16.03.08.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.330906 vuldb.com: https://vuldb.com/?ctiid.330906 vuldb.com: https://vuldb.com/?submit.678491 github.com: https://github.com/LX-LX88/cve/issues/10 tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 LX-LX (VulDB User)