CVE-2025-5839

Public Exploit
Tenda AC9 POST Request AdvSetLanip fromadvsetlanip buffer overflow

Description

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.

Category

7.4
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory vuldb.com Third-Party Advisory notion.site Third-Party Advisory vuldb.com
Affected: Tenda AC9
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.311582 third party advisory vdb entry technical description
https://vuldb.com/?ctiid.311582 permissions required signature
https://vuldb.com/?submit.591369 vdb entry third party advisory
https://candle-throne-f75.notion.site/Tenda-AC9-fromadvsetlanip-20adf0aa11858027b7c3c2f4e44bb867 exploit third party advisory
https://www.tenda.com.cn/ broken link product

Frequently Asked Questions

What is the severity of CVE-2025-5839?
CVE-2025-5839 has been scored as a high severity vulnerability.
How to fix CVE-2025-5839?
To fix CVE-2025-5839, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5839 being actively exploited in the wild?
It is possible that CVE-2025-5839 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5839?
CVE-2025-5839 affects Tenda AC9.
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