What is CVE-2026-12846?

CVE-2026-12846 is a critical-severity vulnerability in Geovision Inc. Gv-i/o Box 4e, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2026-06-24.

How severe is CVE-2026-12846?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Buffer overflow in Geovision Inc. Gv-i/o Box 4e

CVE-2026-12846

GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and RS-485. DVRSearch is a service running by default on the IOBox listening for UDP messages on port 10001. Any user on the ne…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Geovision Inc. Gv-i/o Box 4e — versions V2.09, v2.12

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

0df08a0e-a200-4957-9bb0-084f562506f9 (vendor-advisory)
0df08a0e-a200-4957-9bb0-084f562506f9 (third-party-advisory)

Frequently asked questions

What is CVE-2026-12846?: CVE-2026-12846 is a critical-severity vulnerability in Geovision Inc. Gv-i/o Box 4e, classified under Stack-based Buffer Overflow. CVSS score: 10.0/10. Published 2026-06-24.
How severe is CVE-2026-12846?: Critical severity. CVSS v3 base score is 10.0 out of 10.