CVE-2026-39453

HIGH

Navigating to a certain URL on the switch’s web server causes the switch to reboot. This can be automated using a tool like curl to create DoS conditions where the switch constantly reboots.

CVSS v3.1 Score

8.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH
Published: 10/9/2026Modified: 10/11/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (4)

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.jsonhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-281-01https://www.hms-networks.com/https://www.hms-networks.com/cybersecurity