CVE-2026-20169: Cisco IoT Field Network Director

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Cisco IoT Field Network Director: before 5.0.0-117 (fixed in 5.0.0-117)

Published 2026-05-06. Last modified 2026-06-29.