Unrated severityNVD Advisory· Published Feb 18, 2026· Updated Feb 18, 2026
Grandstream GXP1600 VoIP Phones - Unauthenticated stack buffer overflow
CVE-2026-2329
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- Grandstream/GXP1610v5Range: 0
- Grandstream/GXP1615v5Range: 0
0+ 2 more
- (no CPE)range: 0
- (no CPE)range: 0
- (no CPE)range: 0
- Grandstream/GXP1630v5Range: 0
Patches
Vulnerability mechanics
References
4- github.com/rapid7/metasploit-framework/pull/20983mitreexploit
- psirt.grandstream.commitrevendor-advisory
- www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixedmitrethird-party-advisory
- firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdfmitrerelease-notes
News mentions
0No linked articles in our index yet.