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