Authenticated Remote File Access & Command Exec in Cisco IoT Field Network Director
CVE-2026-20169 Published on May 6, 2026
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.
Vulnerability Analysis
CVE-2026-20169 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2026-20169 has been classified to as a Command Injection vulnerability or weakness.
Affected Versions
Cisco IoT Field Network Director (IoT-FND):- Version 4.5.1 is affected.
- Version 4.4.3 is affected.
- Version 4.1.0 is affected.
- Version 4.1.3 is affected.
- Version 4.6.1 is affected.
- Version 4.1.1 is affected.
- Version 4.4.0 is affected.
- Version 4.2.0 is affected.
- Version 4.4.2 is affected.
- Version 4.3.0 is affected.
- Version 4.6.0 is affected.
- Version 4.4.4 is affected.
- Version 4.3.2 is affected.
- Version 4.1.2 is affected.
- Version 4.4.1 is affected.
- Version 4.5.0 is affected.
- Version 4.3.1 is affected.
- Version 4.7.0 is affected.
- Version 4.6.2 is affected.
- Version 4.7.1 is affected.
- Version 4.7.2 is affected.
- Version 4.8.0 is affected.
- Version 4.8.1 is affected.
- Version 4.9.0 is affected.
- Version 4.9.1 is affected.
- Version 4.10.0 is affected.
- Version 4.9.2 is affected.
- Version 4.11.0 is affected.
- Version 4.12.0 is affected.
- Version 4.12.1 is affected.