HIGHCVSS v3.1 8.8Vulnerability

CVE-2026-111225

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.

Properties

Severity
HIGH
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.06207
Cvss severity
HIGH
Cvss score
8.8
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
8.8
Cvss version
3.1
Cve id
CVE-2026-111225
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-10-15T19:17:35.230
Last modified
2026-10-19T20:43:14.060
Epss percentile
0.93457

Related Entities (2)

AFFECTS_PRODUCT (1)

→[Product]cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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CVE-2026-111225 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal