CVE-2026-111225

Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh

HIGH
8.8
CVSS Score
Published: October 15, 2026 at 06:46 PM UTC
Updated: October 19, 2026 at 08:43 PM UTC
2 products affected across 2 vendorsPfsensepfSense

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Severity
HIGH8.8
Exploit prediction
EPSS 6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.5.0 ≤ v ≤ 2.9.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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