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.

Project Subscriptions

Vendors Products
Grandstream Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Grandstream
Grandstream gxp1610
Grandstream gxp1615
Grandstream gxp1620
Grandstream gxp1625
Grandstream gxp1628
Grandstream gxp1630
Vendors & Products Grandstream
Grandstream gxp1610
Grandstream gxp1615
Grandstream gxp1620
Grandstream gxp1625
Grandstream gxp1628
Grandstream gxp1630

Wed, 18 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 18 Feb 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title Grandstream GXP1600 VoIP Phones - Unauthenticated stack buffer overflow
Weaknesses CWE-121
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: rapid7

Published:

Updated: 2026-02-18T14:50:51.252Z

Reserved: 2026-02-11T09:26:52.179Z

Link: CVE-2026-2329

cve-icon Vulnrichment

Updated: 2026-02-18T14:50:45.570Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-18T15:18:44.173

Modified: 2026-02-18T17:51:53.510

Link: CVE-2026-2329

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:19:48Z

Weaknesses