Description
A vulnerability classified as critical has been found in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/SetSysTimeCfg of the component httpd. The manipulation of the argument timeZone 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 (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.317574
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.317574
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.620625
Exploit, Third Party Advisory exploit
https://github.com/CH13hh/cve/blob/main/tenda1.md
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0039
EPSS Percentile
60.3%
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
Jul 25, 2025
Tracked Since
Feb 18, 2026