CVE-2025-12212: Tenda o3 FIRMWARE1.0.0.10(2478)

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

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.

Affected products

• Tenda o3 FIRMWARE1.0.0.10(2478): any version

Published 2025-10-27. Last modified 2026-10-08.