Description
A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is an unknown function of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.332593
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.332593
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.688716
Exploit, Third Party Advisory related
https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md
Exploit, Third Party Advisory exploit
https://github.com/DavCloudz/cve/blob/main/Tenda/Tengda%20AC20%20Router%20WifiExtraSet%20Buffer%20Overflow%20Vulnerability.md#poc
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0041
EPSS Percentile
61.1%
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
16.03.08.12
Published
Nov 17, 2025
Tracked Since
Feb 18, 2026