🛡️ CVE-2026-2329 — gxp1610-firmware

🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-121 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-2329 is classified as CWE-121: Stack-based Buffer Overflow. An oversized write to a stack buffer overwrites saved state such as return addresses, which can redirect execution.

Affected software

CVE-2026-2329 is recorded against 6 packages.

  • gxp1610-firmware (fixed in 1.0.7.81)
  • gxp1615-firmware (fixed in 1.0.7.81)
  • gxp1620-firmware (fixed in 1.0.7.81)
  • gxp1625-firmware (fixed in 1.0.7.81)
  • gxp1628-firmware (fixed in 1.0.7.81)
  • gxp1630-firmware (fixed in 1.0.7.81)

Timeline and source

Published on 18 February 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

firmware.grandstream.com
github.com
psirt.grandstream.com
www.rapid7.com

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-121
Public Exploit ✅ No
Source NVD
Published 2026-02-18
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
gxp1610-firmware — 1.0.7.81
gxp1615-firmware — 1.0.7.81
gxp1620-firmware — 1.0.7.81
gxp1625-firmware — 1.0.7.81
gxp1628-firmware — 1.0.7.81
gxp1630-firmware — 1.0.7.81

Exploit Protection

Are you running gxp1610-firmware?

CVE-2026-2329 carries CVSS 9.8 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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