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CRITICAL · 9.8

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 remot...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
GrandstreamGxp1610 Firmware< 1.0.7.81
GrandstreamGxp1610-
GrandstreamGxp1615 Firmware< 1.0.7.81
GrandstreamGxp1615-
GrandstreamGxp1620 Firmware< 1.0.7.81
GrandstreamGxp1620-
GrandstreamGxp1625 Firmware< 1.0.7.81
GrandstreamGxp1625-
GrandstreamGxp1628 Firmware< 1.0.7.81
GrandstreamGxp1628-
GrandstreamGxp1630 Firmware< 1.0.7.81
GrandstreamGxp1630-

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-2329?

CVE-2026-2329 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 remot...

How severe is CVE-2026-2329?

CVE-2026-2329 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-2329?

Check the references section above for vendor advisories and patch information. Affected products include: Grandstream Gxp1610 Firmware, Grandstream Gxp1610, Grandstream Gxp1615 Firmware, Grandstream Gxp1615, Grandstream Gxp1620 Firmware.