Description
A vulnerability has been found in Tenda AC20 up to 16.03.08.12. The affected element is the function sscanf of the file /goform/fast_setting_wifi_set. The manipulation of the argument timeZone leads to buffer overflow. The attack can be initiated 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.327312
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.327312
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.664922
Exploit, Third Party Advisory related
https://github.com/cymiao1978/cve/blob/main/11.md
Exploit, Third Party Advisory exploit
https://github.com/cymiao1978/cve/blob/main/11.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
partial
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
tenda/ac20_firmware
16.03.08.12
Published
Oct 07, 2025
Tracked Since
Feb 18, 2026