CVE-2026-12849

{"id": "CVE-2026-12849", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-12849", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-24T12:53:33.251382Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "affected": [{"source": "0df08a0e-a200-4957-9bb0-084f562506f9", "affectedData": [{"vendor": "GeoVision Inc.", "product": "GV-I/O Box 4E", "versions": [{"status": "affected", "version": "V2.09"}, {"status": "unaffected", "version": "V2.12"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}]}], "published": "2026-06-24T05:17:26.890", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2379", "source": "0df08a0e-a200-4957-9bb0-084f562506f9"}, {"url": "https://www.geovision.com.tw/cyber_security.php", "source": "0df08a0e-a200-4957-9bb0-084f562506f9"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "0df08a0e-a200-4957-9bb0-084f562506f9", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Multiple OS command injection vulnerabilities exist in the libNetSetObj.so functionality of GeoVision GV-I/O Box 4E 2.09. A specially crafted network packet can lead to command execution. An attacker can send a network request to trigger this vulnerability.\n\n\n`libNetSetObj.so` is an internal library used by various binaries on the device to configure the network stack (start and stop various services, configure IP, Netmask, gateway, dns, etc.)\n\n\n\n#### CNetSetObj::m_F_n_Set_Net_Mask command injection\n\nThe following function takes a string as a net mask address, performs no sanitization on it and calls `system`. This is a classic command injection vulnerability. The function is reachable from both the network-exposed `DVRSearch` service and the `Network.cgi` endpoint. \n\n\n\n int __fastcall CNetSetObj::m_F_n_Set_Net_Mask(const char **this, char *netmask_addr)\n\n {\n\n bool v2; // zf\n\n char v4[72]; // [sp+0h] [bp-48h] BYREF\n\n\n\n v2 = *this == 0;\n\n if ( *this )\n\n v2 = netmask_addr == 0;\n\n if ( v2 )\n\n return 0;\n\n sprintf(v4, \"/sbin/ifconfig %s netmask %s\", *this, netmask_addr); // attacker controlled netmask_addr\n\n system(v4);\n\n return 1;\n\n }"}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades de inyecci\u00f3n de comandos del sistema operativo existen en la funcionalidad \u2019libNetSetObj.so\u2019 de GeoVision GV-I/O Box 4E 2.09. Un paquete de red especialmente dise\u00f1ado puede llevar a la ejecuci\u00f3n de comandos. Un atacante puede enviar una solicitud de red para activar esta vulnerabilidad.\n\n\u2019libNetSetObj.so\u2019 es una biblioteca interna utilizada por varios binarios en el dispositivo para configurar la pila de red (iniciar y detener varios servicios, configurar IP, m\u00e1scara de red, puerta de enlace, DNS, etc.).\n\n#### Inyecci\u00f3n de comandos CNetSetObj::m_F_n_Set_Net_Mask\n\nLa siguiente funci\u00f3n toma una cadena como direcci\u00f3n de m\u00e1scara de red, no realiza ninguna sanitizaci\u00f3n en ella y llama a \u2019system\u2019. Esta es una vulnerabilidad cl\u00e1sica de inyecci\u00f3n de comandos. La funci\u00f3n es accesible tanto desde el servicio \u2019DVRSearch\u2019 expuesto en la red como desde el punto final \u2019Network.cgi\u2019.\n\n\u201d\u201d\u201cc\n int __fastcall CNetSetObj::m_F_n_Set_Net_Mask(const char this, char netmask_addr)\n {\n bool v2; // zf\n char v4[72]; // [sp+0h] [bp-48h] BYREF\n\n v2 = this == 0;\n if ( this )\n v2 = netmask_addr == 0;\n if ( v2 )\n return 0;\n sprintf(v4, \u201c/sbin/ifconfig %s netmask %s\u201d, this, netmask_addr); // netmask_addr controlado por el atacante\n system(v4);\n return 1;\n }\n\u201d\u201d\u201d"}], "lastModified": "2026-10-25T23:10:00.167", "sourceIdentifier": "0df08a0e-a200-4957-9bb0-084f562506f9"}