CVE-2025-14655 - CVE House

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Status published High CVE-2025-14655

Tenda AC20 httpd SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow

8.7 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

jiahui2888 (VulDB User)

References

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Tenda F1202 Administrative shadow hard-coded credentials

Tenda AC20 fromAdvSetMacMtuWan stack-based overflow

Affected Vendor

Tenda

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Affected Software

AC20

Vulnerable Versions:

16.03.08.12

Timeline

Official Publish: December 14th, 2025

Last Modified: February 24th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-121 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control

T1485 Data Destruction

T1203 Exploitation for Client Execution