9.8

CVE-2026-2329

Exploit

Grandstream GXP1600 VoIP Phones - Unauthenticated stack buffer overflow

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Grandstream ≫ Gxp1610 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1610 Version-
Grandstream ≫ Gxp1615 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1615 Version-
Grandstream ≫ Gxp1620 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1620 Version-
Grandstream ≫ Gxp1625 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1625 Version-
Grandstream ≫ Gxp1628 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1628 Version-
Grandstream ≫ Gxp1630 Firmware Version < 1.0.7.81
   Grandstream ≫ Gxp1630 Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 40.01% 0.984
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cve@rapid7.com 9.3 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed
Third Party Advisory
VDB Entry
https://psirt.grandstream.com/
Vendor Advisory
https://firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdf
Product
Release Notes
https://github.com/rapid7/metasploit-framework/pull/20983
Patch
VDB Entry