CVE-2025-12265 HIGH

CVE-2025-12265: Tenda CH22 VirtualSer fromVirtualSer buffer overflow

Vendor Tenda
Product CH22
Weakness CWE-120
Published October 27, 2025
Last update February 24, 2026

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 weakness has been identified in Tenda CH22 1.0.0.1. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Key dates

02Disclosure timeline

October 27, 2025 CVE published
February 24, 2026 Record updated