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CVE-2026-111225— Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh

Quick assessment

Affected

Netgate pfSense CE

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netgate pfSense 社区版（CE）2.5.0 至 2.9.0 版本中存在操作系统命令注入漏洞，位于脚本中。该漏洞允许已认证的 VPN 客户端以用户身份执行系统命令。当启用 DNS Resolver 客户端注册功能时，攻击者可以在证书通用名称（Common Name）或用户名中嵌入 Shell 元字符，这些元字符会被未加引号地插入到命令字符串中，从而导致命令注入。

CVSS 5.0 · Medium Updated Oct 16, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Netgate	pfSense CE	`2.5.0≤ 2.9.0`	affected

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Vulnerability Information

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Vulnerability Title

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

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Netgate	pfSense CE	2.5.0 ~ 2.9.0	-

II. Public POCs for CVE-2026-111225

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-111225

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Same Patch Batch · Netgate · 2026-10-15 · 21 CVEs total

CVE-2026-110908	8.8 HIGH	pfSense FRR 2.0.2_1命令注入漏洞
CVE-2026-111224	7.5 HIGH	Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
CVE-2026-111223	7.2 HIGH	Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
CVE-2026-111218	7.2 HIGH	Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters
CVE-2026-111215	7.2 HIGH	Netgate pfSense CE through 2.9.0 OS Command Injection via Wireless Parent Interface
CVE-2026-111217	7.2 HIGH	Netgate pfSense CE through 2.9.0 OS Command Injection via CARP VHID
CVE-2026-111214	7.2 HIGH	Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via interfaces_qinq_edit.php
CVE-2026-111216	7.2 HIGH	Netgate pfSense CE through 2.9.0 OS Command Injection via Gateway Monitor IP
CVE-2026-111226	7.2 HIGH	Netgate pfSense CE 2.4.5 through 2.9.0 OS Command Injection via system_advanced_admin.php
CVE-2026-111231	7.2 HIGH	Netgate pfSense CE through 2.9.0 Authorization Bypass via config_restore() and config_inst
CVE-2026-111220	7.2 HIGH	Netgate pfSense CE through 2.9.0 Crontab Injection via PPP Periodic Reset ptpid
CVE-2026-111229	7.2 HIGH	Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via Captive Portal HA Sync
CVE-2026-111222	6.6 MEDIUM	Netgate pfSense CE through 2.9.0 php.ini Injection via Timezone Setting
CVE-2026-111221	6.6 MEDIUM	Netgate pfSense CE through 2.9.0 Command Injection via RADIUS Secret mpd.conf Injection
CVE-2026-111219	6.6 MEDIUM	Netgate pfSense CE through 2.9.0 Command Injection via PPPoE Server Username
CVE-2026-111228	5.5 MEDIUM	Netgate pfSense CE 2.7.1 through 2.9.0 CRLF Injection via services_unbound_advanced.php
CVE-2026-111227	5.5 MEDIUM	Netgate pfSense CE through 2.9.0 CRLF Injection via services_unbound_acls.php
CVE-2026-111230	4.9 MEDIUM	Netgate pfSense CE through 2.9.0 Local File Read via Dynamic DNS Update URL
CVE-2026-111232	4.8 MEDIUM	Netgate pfSense CE 2.3.0 through 2.9.0 Stored XSS via Separator Color
CVE-2026-111233	4.7 MEDIUM	Netgate pfSense CE 2.7.1 through 2.9.0 Reflected XSS via firewall_rules.php

IV. Related Vulnerabilities

Same product: pfSense CE

Same vendor: Netgate

Same weakness: CWE-78

V. Comments for CVE-2026-111225

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-111225— Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-111225

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-111225

III. Intelligence Information for CVE-2026-111225

Patches & Fixes for CVE-2026-111225 (1)

Vendor Advisories for CVE-2026-111225 (1)

Proof of Concept for CVE-2026-111225 (1)

Same Patch Batch · Netgate · 2026-10-15 · 21 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-111225

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