CVE-2025-14655: Tenda AC20 httpd SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow

Published Dec 14, 2025
·
Updated

A security flaw has been discovered in Tenda AC20 16.03.08.12. The impacted element is the function formSetRebootTimer of the file /goform/SetSysAutoRebbotCfg of the component httpd. Performing a manipulation of the argument rebootTime results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Affected Software

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

Event History

Dec 14, 2025
CVE Published
via MITRE·10:32 AM
Data Sourced
via MITRE·10:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-14655?

CVE-2025-14655 has a high severity rating due to the stack-based buffer overflow vulnerability that can be exploited by an attacker.

2

How do I fix CVE-2025-14655?

To fix CVE-2025-14655, update the Tenda AC20 to the latest firmware version that addresses this vulnerability.

3

What devices are affected by CVE-2025-14655?

The Tenda AC20 with firmware version 16.03.08.12 is affected by CVE-2025-14655.

4

What kind of attack does CVE-2025-14655 allow?

CVE-2025-14655 allows an attacker to exploit a stack-based buffer overflow through parameter manipulation in the reboot timer function.

5

Is CVE-2025-14655 being actively exploited?

At this time, there is no confirmed information on active exploitation of CVE-2025-14655, but users are advised to apply patches promptly.

Contact

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