# CVE-2026-7372: A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. A…

Source: https://junglewise.ai/threats/cve-2026-7372-a-stack-overflow-vulnerability-exists-in-the-webcam-server-login  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-04  
License: CC BY 4.0 with a link back

CVE-2026-7372 · Severity: critical · CVSS 9 · Published 2026-05-04

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.

#### Stack-overflow via unconstrained sscanf

The call to `sscanf` at [1] to split the `Buffer` variable into the `username` and `password` variables doesn't limit the size of the extracted content to match the destination buffers' sizes. In this case, if either the username or password decoded from the authorization string exceeds `40` characters (the size the stack variables  `username` and `password`) then a stack overflow will occur. 



The data is controlled by an attacker, but sronger constraints (e.g. no null bytes) may make exploitation harder. A successful attack could  lead to full code execution as SYSTEM on the machine running the service.

Technologies: [Geovision GV-VMS](https://junglewise.ai/threats/technologies/gv-vms). Vendors: [Geovision](https://junglewise.ai/threats/vendors/geovision).

## Quick answers

**Is CVE-2026-7372 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-7372 being exploited in the wild.

**How severe is CVE-2026-7372?** Critical severity, with a CVSS score of 9, published 4 May 2026.

**Which products and versions are affected?** Geovision GV-VMS, Geovision Gv-Vms Firmware. The advisory does not name versions.

**Is there a fix for CVE-2026-7372?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-7372?** Check whether you run Geovision GV-VMS or Geovision Gv-Vms Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Geovision GV-VMS
- Geovision Gv-Vms Firmware

## Related threats

- [GeoVision GV-VMS stack buffer overflow in GV-Cloud](https://junglewise.ai/threats/cve-2026-12488-geovision-gv-vms-stack-buffer-overflow-in-gv-cloud)
- [GeoVision GV-VMS stack overflow in WebCam Server Login](https://junglewise.ai/threats/cve-2026-42370-geovision-gv-vms-stack-overflow-in-webcam-server-login)
- [GeoVision GV-VMS stack overflow in gvapi endpoint](https://junglewise.ai/threats/cve-2026-42369-geovision-gv-vms-stack-overflow-in-gvapi-endpoint)