High severity8.3NVD Advisory· Published Oct 9, 2026

CVE-2026-39453

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisagov/Csafreferences

Patches

Vulnerability mechanics

References

github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-01.jsonnvd
www.cisa.gov/news-events/ics-advisories/icsa-26-281-01nvd
www.hms-networks.comnvd
www.hms-networks.com/cybersecuritynvd

News mentions

Red Lion Controls N-Tron 700 Series
CISA ICS Advisories

cvss	0.540
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000