CVE-2025-10838
HIGHTenda Ac21 Firmware < 16.03.08.16 - Memory Corruption
Title source: ruleDescription
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.325200
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.325200
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.657126
Exploit, Third Party Advisory related
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md
Exploit, Third Party Advisory exploit
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md#poc
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0035
EPSS Percentile
57.8%
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/ac21_firmware
< 16.03.08.16
Published
Sep 23, 2025
Tracked Since
Feb 18, 2026