CVE-2026-2329
9.8
CRITICAL · CVSS 3.1 · EPSS 40.6% (pctl 99)
Patch early
EPSS 40.6% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 40.57% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-121 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-02-18 |
| Last modified | 2026-06-17 |
Affected (12)
| Vendor | Product |
|---|---|
| grandstream | gxp1610 |
| grandstream | gxp1610 firmware |
| grandstream | gxp1615 |
| grandstream | gxp1615 firmware |
| grandstream | gxp1620 |
| grandstream | gxp1620 firmware |
| grandstream | gxp1625 |
| grandstream | gxp1625 firmware |
| grandstream | gxp1628 |
| grandstream | gxp1628 firmware |
| grandstream | gxp1630 |
| grandstream | gxp1630 firmware |
References
→ the Explorer · watch your stack · NVD