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.

INFO

Published Date :

2026-02-18T14:08:09.272Z

Last Modified :

2026-02-18T14:50:51.252Z

Source :

rapid7
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2329 vulnerability.

Vendors Products
Grandstream
  • Gxp1610
  • Gxp1610 Firmware
  • Gxp1615
  • Gxp1615 Firmware
  • Gxp1620
  • Gxp1620 Firmware
  • Gxp1625
  • Gxp1625 Firmware
  • Gxp1628
  • Gxp1628 Firmware
  • Gxp1630
  • Gxp1630 Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2329.

URL Resource
https://firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdf cve-icon cve-icon
https://github.com/rapid7/metasploit-framework/pull/20983 cve-icon cve-icon
https://psirt.grandstream.com/ cve-icon cve-icon
https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact