{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12851", "assignerOrgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "state": "PUBLISHED", "assignerShortName": "GV", "dateReserved": "2026-06-22T00:42:28.790Z", "datePublished": "2026-06-24T03:40:26.802Z", "dateUpdated": "2026-06-24T03:40:26.802Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "0df08a0e-a200-4957-9bb0-084f562506f9", "shortName": "GV", "dateUpdated": "2026-06-24T03:40:26.802Z"}, "title": "GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vulnerability", "datePublic": "2026-06-17T03:31:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "capec-10"}]}], "affected": [{"vendor": "GeoVision Inc.", "product": "GV-I/O Box 4E", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "V2.09"}, {"status": "unaffected", "version": "V2.12"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:geovision_inc.:gv-i_o_box_4e:v2.09:*:linux:*:*:*:*:*"}, {"vulnerable": false, "criteria": "cpe:2.3:a:geovision_inc.:gv-i_o_box_4e:v2.12:*:linux:*:*:*:*:*"}]}]}], "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#### CNetSetObj::m_F_n_Set_DNS_Addr command injection\n\nThe following function can take up to two addresses, performs no sanitization and then 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_DNS_Addr(CNetSetObj *this, char *dns1, char *dns2)\n\n {\n\n int result; // r0\n\n char v5[80]; // [sp+0h] [bp-50h] BYREF\n\n\n\n if ( !dns1 )\n\n result = 0;\n\n if ( dns1 )\n\n {\n\n sprintf(v5, \"/bin/echo nameserver %s > /etc/resolv.conf\", dns1); // attacker controlled dns1 field\n\n system(v5);\n\n if ( dns2 )\n\n {\n\n sprintf(v5, \"/bin/echo nameserver %s >> /etc/resolv.conf\", dns2);\n\n system(v5);\n\n }\n\n return 1;\n\n }\n\n return result;", "supportingMedia": [{"type": "text/html", "base64": false, "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.<div><br></div><div>`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<br><br>#### CNetSetObj::m_F_n_Set_DNS_Addr command injection<br><br>The following function can take up to two addresses, performs no sanitization and then 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<br>\n<br> int __fastcall CNetSetObj::m_F_n_Set_DNS_Addr(CNetSetObj *this, char *dns1, char *dns2)\n<br> {\n<br> int result; // r0\n<br> char v5[80]; // [sp+0h] [bp-50h] BYREF\n<br>\n<br> if ( !dns1 )\n<br> result = 0;\n<br> if ( dns1 )\n<br> {\n<br> sprintf(v5, \"/bin/echo nameserver %s &gt; /etc/resolv.conf\", dns1); // attacker controlled dns1 field\n<br> system(v5);\n<br> if ( dns2 )\n<br> {\n<br> sprintf(v5, \"/bin/echo nameserver %s &gt;&gt; /etc/resolv.conf\", dns2);\n<br> system(v5);\n<br> }\n<br> return 1;\n<br> }\n<br> return result;</div><div><br></div><div><br></div>"}]}], "references": [{"url": "https://www.geovision.com.tw/cyber_security.php", "tags": ["vendor-advisory"]}, {"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2379", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}}], "timeline": [{"time": "2026-04-21T07:34:00.000Z", "lang": "en", "value": "Finder Reports Vulnerabilties to Vendor"}], "credits": [{"lang": "en", "value": "Philippe Laulheret of Cisco Talos", "type": "finder"}, {"lang": "en", "value": "Kelly Patterson of Cisco Talos", "type": "remediation reviewer"}, {"lang": "en", "value": "Robert Sherwin of Cisco Talos", "type": "coordinator"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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