CVE-2025-5839: Tenda AC9 POST Request AdvSetLanip fromadvsetlanip buffer overflow

Published Jun 7, 2025
·
Updated

A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected Software

2 affected components
All of the following
Tenda Ac9 Firmware=15.03.2.13
Tenda Ac9=1.0

Event History

Jun 7, 2025
CVE Published
via MITRE·05:31 PM
Data Sourced
via MITRE·05:31 PM
DescriptionSeverityWeakness
Nov 16, 57490
Event
via FIRST·12:16 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-5839?

CVE-2025-5839 is classified as a critical vulnerability.

2

What component is affected by CVE-2025-5839?

CVE-2025-5839 affects the function fromadvsetlanip in the file /goform/AdvSetLanip.

3

What kind of issue does CVE-2025-5839 cause?

CVE-2025-5839 leads to a buffer overflow due to manipulation of the lanMask argument.

4

How do I fix CVE-2025-5839?

To fix CVE-2025-5839, update the Tenda AC9 router firmware to a version that addresses this vulnerability.

5

Which routers are affected by CVE-2025-5839?

CVE-2025-5839 specifically affects the Tenda AC9 firmware version 15.03.02.13.

Contact

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