CVE-2026-20169

Cisco IoT Field Network Director Command Injection Vulnerability

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

Cisco · Cisco IoT Field Network Director (IoT-FND)

CVSS v3.1 CISCO

6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.21% chance of exploitation in the next 30 days, 10th percentile

Published

2026-05-06

Proof-of-concept exploits (1)

• gigachadusers/CVE-2026-201691★ · 2026-07-21

Security advisories

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-io…

References

• CVE Record
• NVD entry

Related

• CVE-2025-37164
• CVE-2026-20127