CVE-2026-20169 Cisco IoT Field Network Director Command Injection Vulnerability

Medium 6.4 Published 6 May 2026 Updated 6 May 2026

Authenticated attackers can execute commands and manipulate files on remote routers via the Cisco IoT Field Network Director web interface.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-20169?

CVE-2026-20169 is a medium-severity command injection vulnerability in Cisco IoT Field Network Director (IoT-FND), published on 6 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to access files and execute commands on a remote router. This vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to create, read, or delete files and execute limited commands in user EXEC mode on a remote router.

Weakness: CWE-77

Which versions are affected by CVE-2026-20169?

It affects 1 product.

Products include Cisco Iot Field Network Director.

How do I fix CVE-2026-20169?

No fix has been published for CVE-2026-20169 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-2026-20169 being exploited?

There is no known exploitation of CVE-2026-20169 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-rx82-7g7m-r755.