CVE-2026-7372— GeoVision GV-VMS 缓冲区错误漏洞

GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability

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.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

跨界内存写

GeoVision GV-VMS 缓冲区错误漏洞

GeoVision GV-VMS是中国GeoVision公司的一款视频管理系统软件。 GeoVision GV-VMS V20 20.0.2版本存在缓冲区错误漏洞，该漏洞源于WebCam Server登录功能中sscanf调用未限制提取内容大小，可能导致栈溢出，未经身份验证的攻击者可通过特制HTTP请求触发任意代码执行。

N/A

N/A