CVE-2025-10838 HIGH

CVE-2025-10838: Tenda AC21 WifiExtraSet sub_45BB10 buffer overflow

Vendor Tenda
Product AC21
Weakness CWE-120
Published September 23, 2025
Last update September 23, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 23, 2025 CVE published
September 23, 2025 Record updated