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CVE-2026-7372— GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability

CVSS 9.0 · Critical EPSS 0.17% · P38
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I. Basic Information for CVE-2026-7372

Vulnerability Information
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Vulnerability Title
GeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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. #### 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
GeoVision GV-VMS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
GeoVision Inc.GV-VMS V20.0.2 20.0.2 -

II. Public POCs for CVE-2026-7372

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III. Intelligence Information for CVE-2026-7372

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Same Patch Batch · GeoVision Inc. · 2026-05-04 · 10 CVEs total

CVE-2026-4236910.0 CRITICALGeoVision GV-VMS V20 WebCam Server stack overflow vulnerability
CVE-2026-423689.9 CRITICALGeoVision LPC2011/LPC2211 Web Interface privilege escalation vulnerability
CVE-2026-423649.9 CRITICALGeoVision LPC2011/LPC2211 Web Interface / DdnsSetting.cgi OS command injection vulnerabili
CVE-2026-71619.3 CRITICALGeoVision GV-IP Device Utility Device Authentication insufficient encryption vulnerability
CVE-2026-423709.0 CRITICALGeoVision GV-VMS V20 WebCam Server Login stack overflow vulnerability
CVE-2026-423658.6 HIGHGeoVision LPC2011/LPC2211 Web Interface guessable session cookie vulnerability
CVE-2026-423667.4 HIGHGeoVision LPC2011/LPC2211 Web Interface / ssi.cgi reflected cross-site scripting (XSS) vul
CVE-2026-73717.4 HIGHGeoVision LPC2011/LPC2211 Web Interface / ssi.cgi reflected cross-site scripting (XSS) vul
CVE-2026-423676.5 MEDIUMGeoVision LPC2011/LPC2211 Web Interface / ssi.cgi privilege escalation vulnerability via l

IV. Related Vulnerabilities

Same product: GV-VMS V20.0.2
Same vendor: GeoVision Inc.
Same weakness: CWE-787

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