Unrated severityNVD Advisory· Published Aug 14, 2025· Updated Aug 15, 2025
Tenda AC20 WifiGuestSet buffer overflow
CVE-2025-8939
Description
A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
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Affected products
2Patches
Vulnerability mechanics
References
6- github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.mdmitreexploit
- vuldb.commitrethird-party-advisory
- github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.mdmitrerelated
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
- www.tenda.com.cnmitreproduct
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