CVE-2026-86149: Tenda CP3

Critical severity, CVSS 9.1. EPSS: 2.9% chance of exploitation in the next 30 days.

A weakness has been identified in Tenda CP3 27.5.57.101. This issue affects some unknown processing of the file Net/NetCheckPing.cpp. This manipulation of the argument interface_name/host causes os command injection. The attack can be initiated remotely.

Affected products

• Tenda CP3: version 27.5.57.101 only

Published 2026-09-05. Last modified 2026-09-08.