Cisco IoT Field Network Director up to 4.12.1 Web-based Management Interface 7pk error

Summaryinfo

A vulnerability classified as problematic was found in Cisco IoT Field Network Director. Impacted is an unknown function of the component Web-based Management Interface. Executing a manipulation can lead to 7pk error. The identification of this vulnerability is CVE-2026-20168. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Cisco IoT Field Network Director. It has been declared as problematic. This vulnerability affects an unknown function of the component Web-based Management Interface. The manipulation with an unknown input leads to a 7pk error vulnerability. The CWE definition for the vulnerability is CWE-388. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access. This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2026-20168 since 10/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/06/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• IoT Field Network Director

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.2.0
• 4.3.0
• 4.3.1
• 4.3.2
• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.5.0
• 4.5.1
• 4.6.0
• 4.6.1
• 4.6.2
• 4.7.0
• 4.7.1
• 4.7.2
• 4.8.0
• 4.8.1
• 4.9.0
• 4.9.1
• 4.9.2
• 4.10.0
• 4.11.0
• 4.12.0
• 4.12.1

License

• commercial

Website

• Vendor: https://www.cisco.com/

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