CVE-2026-7372

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A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.\n\n#### Stack-overflow via unconstrained sscanf\n\nThe 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. \n\n\n\nThe data is controlled by an attacker, but sronger constraints (e.g. no null bytes) may make exploitation harder. 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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. \n<br>\n<br>The data is controlled by an attacker, but sronger constraints (e.g. no null bytes) may make exploitation harder. 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A specially crafted HTTP request can lead to an arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.\n\n#### Stack-overflow via unconstrained sscanf\n\nThe 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. \n\n\n\nThe 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.", "supportingMedia": [{"type": "text/html", "value": "A stack overflow vulnerability exists in the WebCam Server Login functionality of GeoVision GV-VMS V20 20.0.2. 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A successful attack could lead to full code execution as SYSTEM on the machine running the service.<br><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.0.2:*:windows:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.0.2.10:*:windows:*:*:*:*:*", "vulnerable": false}, {"criteria": "cpe:2.3:a:geovision_inc.:gv-vms_v20.0.2:20.1.0.0:*:windows:*:*:*:*:*", "vulnerable": false}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "shortName": "GV", "dateUpdated": "2026-05-15T07:45:38.690Z"}}}, "cveMetadata": {"cveId": "CVE-2026-7372", "state": "PUBLISHED", "dateUpdated": "2026-05-15T07:45:38.690Z", "dateReserved": "2026-04-28T23:12:55.269Z", "assignerOrgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "datePublished": "2026-05-04T00:47:36.651Z", "assignerShortName": "GV"}, "dataVersion": "5.2"}

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A successful attack could lead to full code execution as SYSTEM on the machine running the service."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de pila existe en la funcionalidad de inicio de sesi\u00f3n del servidor de la c\u00e1mara web de GeoVision GV-VMS V20 20.0.2. Una solicitud HTTP especialmente dise\u00f1ada puede conducir a una ejecuci\u00f3n de c\u00f3digo arbitrario. Un atacante puede realizar una solicitud HTTP no autenticada para activar esta vulnerabilidad.\n\n#### Desbordamiento de pila a trav\u00e9s de sscanf sin restricciones\n\nLa llamada a \u201csscanf\u201d en [1] para dividir la variable \u201cBuffer\u201d en las variables \u201cusername\u201d y \u201cpassword\u201d no limita el tama\u00f1o del contenido extra\u00eddo para que coincida con los tama\u00f1os de los b\u00faferes de destino. En este caso, si el nombre de usuario o la contrase\u00f1a decodificados de la cadena de autorizaci\u00f3n excede los \u201c40\u201d caracteres (el tama\u00f1o de las variables de pila \u201cusername\u201d y \u201cpassword\u201d), entonces ocurrir\u00e1 un desbordamiento de pila.\n\nLos datos son controlados por un atacante, pero restricciones m\u00e1s fuertes (por ejemplo, sin bytes nulos) pueden dificultar la explotaci\u00f3n. Un ataque exitoso podr\u00eda conducir a la ejecuci\u00f3n completa de c\u00f3digo como SYSTEM en la m\u00e1quina que ejecuta el servicio."}], "id": "CVE-2026-7372", "lastModified": "2026-10-26T20:10:00.160", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-7372", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-04T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-05-04T01:16:04.730", "references": [{"source": "0df08a0e-a200-4957-9bb0-084f562506f9", "tags": ["Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/"}, {"source": "0df08a0e-a200-4957-9bb0-084f562506f9", "tags": ["Vendor Advisory"], "url": "https://www.geovision.com.tw/cyber_security.php"}], "sourceIdentifier": "0df08a0e-a200-4957-9bb0-084f562506f9", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "type": "Secondary"}]}

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