CVE-2026-86149 Tenda CP3 NetCheckPing.cpp os command injection

Critical 9.4 Published Updated

Remote attackers can execute arbitrary OS commands on Tenda CP3 cameras via the NetCheckPing interface, requiring immediate attention from device owners.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-86149?

CVE-2026-86149 is a critical command injection vulnerability in Tenda CP3, published on 5 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2026-86149?

How do I fix CVE-2026-86149?

No fix has been published for CVE-2026-86149 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-86149 being exploited?

There is no known exploitation of CVE-2026-86149 in the wild and no public exploit code.

Sources

Also known as GHSA-qh73-x3c2-xph4.

Is CVE-2026-86149 in your software?

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