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CVE-2026-2329: Critical Unauthenticated Stack Buffer Overflow in Grandstream GXP1600 VoIP Phones (FIXED)

🗓️ 18 Feb 2026 14:00:00Reported by Stephen FewerType 
rapid7blog
 rapid7blog
🔗 www.rapid7.com👁 16 Views

CVE-2026-2329 unauthenticated root RCE via stack overflow in Grandstream GXP1600 web API.

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18 Feb 2026 14:00Current
7.6High risk
Vulners AI Score7.6
CVSS 3.19.8
CVSS 49.3
EPSS0.40014
SSVC
16