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CVE-2026-111225

8.8, high

Netgate pfSense CE OS Command Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.8, high high CVSS v3.1
EPSS, next 30 days
3% higher than 85.5% of scored CVEs
Exploitation
No public evidence
Published
15 Oct 20265 days ago

Description

Netgate pfSense CE 2.5.0 through 2.9.0 contains an OS command injection vulnerability in openvpn.learn-address.sh that allows authenticated VPN clients to execute commands as the unbound user. Attackers can embed shell metacharacters in the certificate common name or username, which is interpolated unquoted into su -c strings, when DNS Resolver client registration is enabled.

Details

Vendor
Netgate
Product
pfSense CE
Weakness
CWE-78 (opens in a new tab)
Status
Analyzed
Updated
19 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 4

Advisories 2

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Netgate CVEs

Every Netgate CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-111214 Netgate pfSense CE OS Command Injection Vulnerability EPSS 9% 7.2, high
  • CVE-2026-111216 Netgate pfSense CE OS Command Injection Vulnerability EPSS 7% 7.2, high
  • CVE-2026-111217 Netgate pfSense CE OS Command Injection Vulnerability EPSS 7% 7.2, high
  • CVE-2026-111224 Netgate pfSense CE OS Command Injection Vulnerability EPSS 5% 7.5, high
  • CVE-2026-111226 Netgate pfSense CE OS Command Injection Vulnerability EPSS 7% 7.2, high
  • CVE-2026-111229 Netgate pfSense CE OS Command Injection Vulnerability EPSS 6% 7.2, high
  • CVE-2026-111231 Netgate pfSense CE Incorrect Authorization Vulnerability EPSS 0.9% 7.2, high

Beyond this page

Is CVE-2026-111225 in your network?

This page tells you how dangerous CVE-2026-111225 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-111225 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 20 Oct 2026, not the live upstream state.