CVE-2025-14654: Tenda AC20 httpd setPptpUserList formSetPPTPUserList stack-based overflow

Published Dec 14, 2025
·
Updated

A vulnerability was identified in Tenda AC20 16.03.08.12. The affected element is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component httpd. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Affected Software

3 affected components
Tenda AC20
All of the following
Tenda Ac20 Firmware=16.03.08.12
Tenda AC20

Event History

Dec 14, 2025
CVE Published
via MITRE·10:02 AM
Data Sourced
via MITRE·10:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-14654?

CVE-2025-14654 is considered a high severity vulnerability due to its potential for remote exploitation and the risk of stack-based buffer overflow.

2

How do I fix CVE-2025-14654?

To fix CVE-2025-14654, update the Tenda AC20 firmware to the latest version provided by Tenda that addresses this vulnerability.

3

What type of vulnerability is CVE-2025-14654?

CVE-2025-14654 is classified as a stack-based buffer overflow vulnerability in the affected component.

4

What is affected by CVE-2025-14654?

CVE-2025-14654 affects the Tenda AC20 router, particularly the formSetPPTPUserList function within its HTTP daemon.

5

Can CVE-2025-14654 be exploited remotely?

Yes, CVE-2025-14654 can be exploited remotely, allowing an attacker to manipulate the argument list leading to a potential stack overflow.

Contact

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