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Vulnerabilities

Vulnerability · CVE-2026-2329

An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get.

Published Feb 18, 2026 · catalog updated Feb 18, 2026 · Grandstream GXP1620

Last checked Nov 13, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-2329 is not in CISA KEV. FIRST estimates a 41.72% chance of exploitation in the next 30 days. Check whether you run Grandstream GXP1620.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
41.72%
Remediation
Vendor / distro source
Affected products
vendor Grandstream GXP1620 0 ≤1.0.7.80

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Grandstream GXP1620 0 ≤1.0.7.800 ≤1.0.7.80

How to fix CVE-2026-2329

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-2329 is not in CISA KEV. FIRST estimates a 41.72% chance of exploitation in the next 30 days. Check whether you run Grandstream GXP1620.

Which versions are affected?

Compare what you have installed with Grandstream GXP1620 0 ≤1.0.7.80 0 ≤1.0.7.80. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 41.72%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 18, 2026 · EUVD

    Detected

    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.

  2. Feb 18, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-2329

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-2329

    30-day exploitation probability 41.72%

    first.org
  • EUVDVulnerability recordEUVD-2026-8089

    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 vulnerabilit

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/grandstream_gxp1600_unauth_rce

    Public module reference (great). Module source is not copied into this catalog.

    rapid7.com

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Metasploit ModulesNov 13, 2026
  • FIRST EPSSNov 9, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026