CVE-2025-8939
HIGHTenda Ac20 Firmware < 16.03.08.12 - Memory Corruption
Title source: ruleDescription
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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.319902
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.319902
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.631829
Exploit, Third Party Advisory related
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.md
Exploit, Third Party Advisory exploit
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC20/Tenda%20AC20.md#3-poc
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0046
EPSS Percentile
64.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
tenda/ac20_firmware
16.03.08.0 - 16.03.08.12
Published
Aug 14, 2025
Tracked Since
Feb 18, 2026