CVE-2026-2329

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.

Affected products

Gxp1610, Gxp1615, Gxp1620, Gxp1625, Gxp1628, Gxp1630

Grandstream gxp1610 Firmware

< 1.0.7.81

Fix

Available

CVSS 3.1

9.8 CRITICAL

EPSS

40.0% (99th percentile)

Weakness

CWE-121

NVD status

Analyzed

Published

2026-02-18