CVE Catalog

CVE-2026-39453

HighCVSS 8.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

20th percentile - higher than 20% of all known CVEs

Summary

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.

Risk Assessment

An attacker can remotely trigger continuous switch reboots, causing network service unavailability. This can disrupt the entire infrastructure.

Recommendation

Update the switch firmware to a version that fixes the vulnerability. Restrict access to the web interface and monitor for unusual HTTP requests.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS