Improper error handling in Cisco IoT Field Network Director - CVE-2026-20167
Published: May 7, 2026
Vulnerability identifier: #VU130284
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-20167
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling in the web-based management interface. A remote user can cause a denial of service condition on the target system.
Affected software
Cisco IoT Field Network Director
How to mitigate CVE-2026-20167
Install updates from vendor's website.
Cisco IoT Field Network Director - update to 5.0.0-117