CVE-2026-42370

Critical

Description

A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

SeverityCritical

CVSS9.0

Exploit probability—

ProductGeovision Gv-vms Firmware

PublishedMay 4, 2026

First seenMay 4, 2026

Weakness typeCWE-787Out-of-bounds write

How to fix

Update

geovision gv-vms_firmware21.0.0 or later

Vendor advisories

geovision.com.tw/cyber_security.php

Affected products

Product	Affected versions	Fixed in
geovision gv-vms_firmware	v < 21.0.0	21.0.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.