Description
A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.322106
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.322106
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.641088
Exploit, Third Party Advisory related
https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md
Exploit, Third Party Advisory exploit
https://github.com/Cpppq43/Tenda/blob/main/Tenda_AC20_V16.03.08.05.md#poc
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0035
EPSS Percentile
57.7%
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-121
CWE-787
Status
published
Products (1)
tenda/ac20_firmware
16.03.08.5
Published
Sep 01, 2025
Tracked Since
Feb 18, 2026