CVE-2026-119737
Received Received - Intake

Command Injection in Amlogic Android SDK PPPoE Wrapper

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: VulnCheck

Description
The pppoe_wrapper vendor daemon from the Amlogic Android SDK, as shipped on Nexbox A95X (Amlogic S905/S905X) TV boxes, contains a command injection vulnerability that allows local attackers to execute arbitrary commands as root by sending crafted messages to a world-writable AF_UNIX datagram socket at /dev/socket/pppoe_wrapper. Attackers can send a message beginning with 'pppd pty' followed by shell metacharacters and arbitrary commands, which are passed unfiltered to system(3) and executed by /system/bin/sh -c as root, resulting in full privilege escalation.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-119737

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Nexbox A95X NEXBOX-A95X-201606011847
Nexbox A95X NEXBOX-A95X-AP6330
Amlogic Amlogic Android SDK 0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This is a command injection vulnerability in the pppoe_wrapper vendor daemon from the Amlogic Android SDK, found on Nexbox A95X TV boxes. Attackers can send crafted messages to a world-writable AF_UNIX socket at /dev/socket/pppoe_wrapper. By including shell metacharacters after 'pppd pty', they can execute arbitrary commands as root via system(3) without proper sanitization.

Detection Guidance

Check if the vulnerable socket exists by running: ls -l /dev/socket/pppoe_wrapper. If it exists and has world-writable permissions (mode 777), the system is likely vulnerable. Monitor for unexpected root-level processes spawned from /system/bin/sh -c.

Impact Analysis

A local attacker could gain root access on affected devices, allowing full control over the system. This could lead to data theft, malware installation, or unauthorized modifications. Physical access is not required as the vulnerable socket is world-writable.

Mitigation Strategies

Remove write permissions from the socket: chmod 600 /dev/socket/pppoe_wrapper. Disable the pppoe_wrapper daemon if not required. Restrict local user access to prevent command injection via the socket.

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