PT-2026-40830 · Opnsense · Opnsense

CVE-2026-45158

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Published

2026-05-13

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Updated

2026-05-23

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions OPNsense versions prior to 26.1.8
Description Unsanitized user input is passed to the DHCP configuration of the configured interface and subsequently processed by a shell script. This allows remote code execution as root on the underlying operating system.
Recommendations Update to version 26.1.8.

Exploit

Fix

RCE

Argument Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-45158
GHSA-5RX3-W735-74WM

Affected Products

Opnsense