What is the CVSS score of CVE-2026-2329?

CVE-2026-2329 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 41.1%.

Which versions of Gxp1628 Firmware are affected by CVE-2026-2329?

A critical unauthenticated remote code execution vulnerability (CVE-2026-2329, CVSS 9.8) affects the HTTP API endpoint and allows attackers to gain root-level control of affected devices without…. A patch is available.

Is there a public PoC exploit available for CVE-2026-2329?

Yes, a public proof-of-concept exploit is available for CVE-2026-2329. Prioritise patching immediately. EPSS: 41.1%.

How to fix or mitigate CVE-2026-2329?

Within 24 hours: Identify and inventory all affected devices running vulnerable versions; isolate or restrict network access to the /cgi-bin/api.values.get endpoint if immediate patching is not feasible. Within 7 days: Apply the available vendor patch to all affected systems in a staged rollout, prioritizing critical and internet-facing assets. Within 30 days: Complete patching of all remaining systems, validate patch deployment, and conduct vulnerability rescans to confirm remediation.

Gxp1628 Firmware CVE-2026-2329

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-02-18 cve@rapid7.com

RCE Buffer Overflow Stack Overflow Gxp1628 Firmware Gxp1630 Firmware Gxp1615 Firmware Gxp1610 Firmware Gxp1620 Firmware Gxp1625 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

Patch released

Feb 20, 2026 - 20:57 nvd

Patch available

CVE Published

Feb 18, 2026 - 15:18 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Unauthenticated stack-based buffer overflow in /cgi-bin/api.values.get HTTP API endpoint. EPSS 41.1% indicates very high exploitation probability. Patch available.