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CVE-2026-73662— Authenticated FreePBX Music RCE via mpg123 and Asterisk Call Files

Quick assessment

Affected
FreePBX music
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreePBX music是FreePBX团队的一款电话系统音乐组件。 FreePBX music 17.0.1版本至17.0.7之前版本存在命令注入漏洞，该漏洞源于Music.class.php中validateCustomConfiguration()函数允许危险命令行选项且applicationUsesDisallowedPlayerOption()未拒绝相关参数，可能导致经过身份验证的管理员以asterisk服务用户身份执行任意命令。

CVSS 7.6 · High EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
FreePBX music < 17.0.7 affected
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I. Basic Information for CVE-2026-73662

Vulnerability Information
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Vulnerability Title
Authenticated FreePBX Music RCE via mpg123 and Asterisk Call Files
Source: CVE Program / CVE List V5
Vulnerability Description
FreePBX is an open source IP PBX. From 17.0.1 until 17.0.7, the FreePBX Music on Hold module permits dangerous command-line options for /usr/bin/mpg123 and other allowed players in validateCustomConfiguration() in Music.class.php. An authenticated administrator can use options that write files, open control channels, or create Asterisk call files because applicationUsesDisallowedPlayerOption() does not reject those arguments, resulting in arbitrary command execution as the asterisk service user. This issue is fixed in version 17.0.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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
Vulnerability Title
FreePBX music 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreePBX music是FreePBX团队的一款电话系统音乐组件。 FreePBX music 17.0.1版本至17.0.7之前版本存在命令注入漏洞，该漏洞源于Music.class.php中validateCustomConfiguration()函数允许危险命令行选项且applicationUsesDisallowedPlayerOption()未拒绝相关参数，可能导致经过身份验证的管理员以asterisk服务用户身份执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
FreePBX music < 17.0.7 -

II. Public POCs for CVE-2026-73662

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7742 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-73662

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Patches & Fixes for CVE-2026-73662 (1)

Vendor Advisories for CVE-2026-73662 (1)

Same Patch Batch · FreePBX · 2026-08-13 · 6 CVEs total

CVE-2026-73663 9.3 CRITICAL FreePBX: Unauthenticated SQL injection in FreePBX missedcall via inbound Caller ID name le
CVE-2026-73665 9.3 CRITICAL FreePBX UCP: Unauthenticated remote code execution via socket.io namespace auth bypass and
CVE-2026-73661 8.6 HIGH FreePBX: Authenticated Framework AUTHTYPE Can Be Restored From a Crafted Backup
CVE-2026-73664 8.6 HIGH FreePBX: Authenticated Arbitrary SSH Key Injection via Backup Module
CVE-2026-73660 7.5 HIGH FreePBX: Authenticated TTS AGI Command Injection Through TTS Name

IV. Related Vulnerabilities

Same vendor: FreePBX
Same weakness: CWE-78

V. Comments for CVE-2026-73662

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