Dashboard / CVE-2026-45158

CVE-2026-45158

CRITICAL
INFO Priority: 0.05 BB Relevance: 63/100
Published: 2026-05-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Changed
C: High
I: High
A: High

Description

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
opnsense opnsense < 26.1.8

References & Advisories (1)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.53%
Raw Score 0.005310
Percentile 44.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00531
2026-10-28
0.00531

Intelligence Sources

nvd ref →

External Links