{"api_version":"1","generated_at":"2026-06-24T16:31:31+00:00","cve":"CVE-2026-12850","urls":{"html":"https://cve.report/CVE-2026-12850","api":"https://cve.report/api/cve/CVE-2026-12850.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-12850","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12850"},"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_Gate_way command injection

The following function takes a string as a gatewy 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
int __fastcall CNetSetObj::m_F_n_Set_Gate_way(const char **this, char *gw, char *dev)\n
{\n
char s[324]; // [sp+4h] [bp-144h] BYREF\n
\n
if ( !dev && !*this || !gw )\n
return 0;\n
system(\"/sbin/route del -net 224.0.0.0 netmask 224.0.0.0\");\n
system(\"/sbin/route del default \");\n
if ( dev )\n
sprintf(s, \"/sbin/route add default gw %s dev %s\", gw, dev); //attacker controlled gw string\n
else\n
sprintf(s, \"/sbin/route add default gw %s dev %s\", gw, *this); //attacker controlled gw string\n
system(s);\n
sprintf(s, \"/sbin/route add -net 224.0.0.0 netmask 224.0.0.0 gw %s dev %s\", gw, *this); //attacker controlled gw string\n
system(s);\n
return 1;\n
}


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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.\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_Gate_way command injection\n\nThe following function takes a string as a gatewy address, performs no sanitization on it and calls `system`. This is a classic command injection vulnerability. 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