{"api_version":"1","generated_at":"2026-06-24T07:16:57+00:00","cve":"CVE-2026-12851","urls":{"html":"https://cve.report/CVE-2026-12851","api":"https://cve.report/api/cve/CVE-2026-12851.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-12851","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12851"},"summary":{"title":"GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vulnerability","description":"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. 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A specially crafted network packet can lead to command execution. An attacker can send a network request to trigger this vulnerability.

`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

#### CNetSetObj::m_F_n_Set_DNS_Addr command injection

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
\n
int __fastcall CNetSetObj::m_F_n_Set_DNS_Addr(CNetSetObj *this, char *dns1, char *dns2)\n
{\n
int result; // r0\n
char v5[80]; // [sp+0h] [bp-50h] BYREF\n
\n
if ( !dns1 )\n
result = 0;\n
if ( dns1 )\n
{\n
sprintf(v5, \"/bin/echo nameserver %s > /etc/resolv.conf\", dns1); // attacker controlled dns1 field\n
system(v5);\n
if ( dns2 )\n
{\n
sprintf(v5, \"/bin/echo nameserver %s >> /etc/resolv.conf\", dns2);\n
system(v5);\n
}\n
return 1;\n
}\n
return result;


"}],"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;"}],"impacts":[{"descriptions":[{"lang":"en","value":"capec-10"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-24T03:40:26.802Z","orgId":"0df08a0e-a200-4957-9bb0-084f562506f9","shortName":"GV"},"references":[{"tags":["vendor-advisory"],"url":"https://www.geovision.com.tw/cyber_security.php"},{"tags":["third-party-advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2379"}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-04-21T07:34:00.000Z","value":"Finder Reports Vulnerabilties to Vendor"}],"title":"GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vulnerability","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"0df08a0e-a200-4957-9bb0-084f562506f9","assignerShortName":"GV","cveId":"CVE-2026-12851","datePublished":"2026-06-24T03:40:26.802Z","dateReserved":"2026-06-22T00:42:28.790Z","dateUpdated":"2026-06-24T03:40:26.802Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 05:17:27","lastModifiedDate":"2026-06-24 05:17:27","problem_types":["CWE-78","CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')"],"metrics":{"cvssMetricV31":[{"source":"0df08a0e-a200-4957-9bb0-084f562506f9","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.3,"impactScore":6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"12851","Ordinal":"1","Title":"GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vul","CVE":"CVE-2026-12851","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"12851","Ordinal":"1","NoteData":"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;","Type":"Description","Title":"GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vul"}]}}}