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module

GrandStream GXP1600 Unauthenticated Remote Code Execution

Disclosed
Feb 18, 2026
Created
Feb 24, 2026

Description

An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint
/cgi-bin/api.values.get. A remote attacker can leverage this vulnerability to achieve unauthenticated remote
code execution (RCE) with root privileges on a target device. The vulnerability affects all six device models
in the series: GXP1610, GXP1615, GXP1620, GXP1625, GXP1628, and GXP1630. The vulnerability affects all
firmware versions below version 1.0.7.81.

Author

sfewer-r7

Platform

Linux,Unix

Architectures

cmd

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


msf > use exploit/linux/http/grandstream_gxp1600_unauth_rce
msf exploit(grandstream_gxp1600_unauth_rce) > show targets
...targets...
msf exploit(grandstream_gxp1600_unauth_rce) > set TARGET < target-id >
msf exploit(grandstream_gxp1600_unauth_rce) > show options
...show and set options...
msf exploit(grandstream_gxp1600_unauth_rce) > exploit

Title
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