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CVE-2026-111225 Details

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://abraxaslabs.tech/research/pfsense-ce-leftovers [email protected]Issue Tracking
https://github.com/abraxas/pfsense-ovpn-learn-cn [email protected]Third Party Advisory
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.learn-address.sh#L57-L62 [email protected]Product
https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.5.0-through-2.9.0-os-command-injection-via-openvpn-learn-address-sh [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]

Affected Products

ProductVersions
pfsense pfsense
>= 2.5.0, <= 2.9.0

CPE

  • cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-111225
NVD Published Date:
Oct 15, 2026
NVD Last Modified:
Oct 19, 2026
Source:
[email protected]
CVE-2026-111225 Details - Not Deferred