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CVE-2026-110908

Quick assessment

Affected
Netgate pfSense-pkg-frr
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netgate pfSense 的 FRR 软件包（pfSense-pkg-frr）2.0.2_1 版本及源码修订版 2.1.2_1 存在操作系统命令注入漏洞，该漏洞位于 FRR 状态过滤器中。具有仅页状态-FRR 权限的已认证 WebGUI 用户可以通过提供过滤器值，使 escapeshellarg() 输出的结果脱离单引号 sed 表达式的约束。随后通过 popen() 管道评估 Shell 命令替换，从而使攻击者能够以 root 权限执行所选命令。pfSense Plus 26.07/26.03.1 和 CE

CVSS 8.8 · High EPSS 6.08% · P93

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Netgate pfSense-pkg-frr 2.0.2_1 affected
2.1.2_1 affected
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I. Basic Information for CVE-2026-110908

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Netgate pfSense FRR package (pfSense-pkg-frr) 2.0.2_1 and source revision 2.1.2_1 contain an OS command injection vulnerability in the FRR status filter. An authenticated WebGUI user with only the page-status-frr privilege can supply a filter value that breaks out of a single-quoted sed expression into which escapeshellarg() output is concatenated. Shell command substitution is then evaluated by a popen() pipeline, allowing attacker-selected commands to execute as root. There are updated FRR packages for pfSense Plus 26.07/26.03.1 and CE 2.9.0/2.8.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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-pkg-frr 2.0.2_1 -

II. Public POCs for CVE-2026-110908

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III. Intelligence Information for CVE-2026-110908

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Other References for CVE-2026-110908 (2)

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

CVE-2026-111224 7.5 HIGH Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
CVE-2026-111218 7.2 HIGH Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters
CVE-2026-111217 7.2 HIGH Netgate pfSense CE through 2.9.0 OS Command Injection via CARP VHID
CVE-2026-111223 7.2 HIGH Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
CVE-2026-111216 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-2026-111215 7.2 HIGH Netgate pfSense CE through 2.9.0 OS Command Injection via Wireless Parent Interface
CVE-2026-111229 7.2 HIGH Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via Captive Portal HA Sync
CVE-2026-111220 7.2 HIGH Netgate pfSense CE through 2.9.0 Crontab Injection via PPP Periodic Reset ptpid
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-2026-111219 6.6 MEDIUM Netgate pfSense CE through 2.9.0 Command Injection via PPPoE Server Username
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-2026-111227 5.5 MEDIUM Netgate pfSense CE through 2.9.0 CRLF Injection via services_unbound_acls.php
CVE-2026-111228 5.5 MEDIUM Netgate pfSense CE 2.7.1 through 2.9.0 CRLF Injection via services_unbound_advanced.php
CVE-2026-111225 5.0 MEDIUM Netgate pfSense CE 2.5.0 through 2.9.0 OS Command Injection via openvpn.learn-address.sh
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 vendor: Netgate
Same weakness: CWE-78

V. Comments for CVE-2026-110908

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