CVE-2025-12212 HIGH

CVE-2025-12212: Tenda O3 setNetworkService GetValue stack-based overflow

Vendor Tenda
Product O3
Weakness CWE-121
Published October 27, 2025
Last update February 24, 2026
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 weakness has been identified in Tenda O3 1.0.0.10(2478). This affects the function SetValue/GetValue of the file /goform/setNetworkService. This manipulation of the argument upnpEn causes stack-based buffer overflow. The attack can be initiated remotely. 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