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CVE-2026-39453

8.3 HIGHpublic exploit available

Published 2026-10-09 · Updated 2026-10-11

AI risk analysis

Summary
A vulnerability in switch web server allows remote attackers to trigger device reboots via specific URLs, creating persistent denial-of-service conditions. This affects network infrastructure devices and can lead to service disruption.
Exploitability
Exploitation is straightforward requiring only HTTP access to the switch's web interface with minimal privileges, making it easy to automate with tools like curl.
Blast radius
The impact could be significant in network environments where switches are critical for connectivity, potentially causing widespread outages if multiple switches are targeted simultaneously.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Disable the affected web server functionality or restrict access to the vulnerable endpoint until a patch is available.
doswebnetworkswitch

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Weaknesses

CWE-617

Public exploit & PoC references

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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