CVE-2026-12851 (GCVE-0-2026-12851)

Vulnerability from cvelistv5 – Published: 2026-06-24 03:40 – Updated: 2026-06-24 03:40
VLAI
Title
GeoVision GV-I/O Box 4E libNetSetObj.so OS command injection vulnerability
Summary
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. `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.) #### 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. int __fastcall CNetSetObj::m_F_n_Set_DNS_Addr(CNetSetObj *this, char *dns1, char *dns2) { int result; // r0 char v5[80]; // [sp+0h] [bp-50h] BYREF if ( !dns1 ) result = 0; if ( dns1 ) { sprintf(v5, "/bin/echo nameserver %s > /etc/resolv.conf", dns1); // attacker controlled dns1 field system(v5); if ( dns2 ) { sprintf(v5, "/bin/echo nameserver %s >> /etc/resolv.conf", dns2); system(v5); } return 1; } return result;
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
GV
References
Impacted products
Vendor Product Version
GeoVision Inc. GV-I/O Box 4E Affected: V2.09
Unaffected: V2.12
Create a notification for this product.
Date Public
2026-06-17 03:31
Credits
Philippe Laulheret of Cisco Talos Kelly Patterson of Cisco Talos Robert Sherwin of Cisco Talos
Show details on NVD website
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              "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.\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e`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\u003cbr\u003e\u003cbr\u003e#### CNetSetObj::m_F_n_Set_DNS_Addr command injection\u003cbr\u003e\u003cbr\u003eThe 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\u003cbr\u003e\n\u003cbr\u003e    int __fastcall CNetSetObj::m_F_n_Set_DNS_Addr(CNetSetObj *this, char *dns1, char *dns2)\n\u003cbr\u003e    {\n\u003cbr\u003e      int result; // r0\n\u003cbr\u003e      char v5[80]; // [sp+0h] [bp-50h] BYREF\n\u003cbr\u003e\n\u003cbr\u003e      if ( !dns1 )\n\u003cbr\u003e        result = 0;\n\u003cbr\u003e      if ( dns1 )\n\u003cbr\u003e      {\n\u003cbr\u003e        sprintf(v5, \"/bin/echo nameserver %s \u0026gt; /etc/resolv.conf\", dns1);  // attacker controlled dns1 field\n\u003cbr\u003e        system(v5);\n\u003cbr\u003e        if ( dns2 )\n\u003cbr\u003e        {\n\u003cbr\u003e          sprintf(v5, \"/bin/echo nameserver %s \u0026gt;\u0026gt; /etc/resolv.conf\", dns2);\n\u003cbr\u003e          system(v5);\n\u003cbr\u003e        }\n\u003cbr\u003e        return 1;\n\u003cbr\u003e      }\n\u003cbr\u003e      return result;\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e"
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          "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 \u003e /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 \u003e\u003e /etc/resolv.conf\", dns2);\n\n          system(v5);\n\n        }\n\n        return 1;\n\n      }\n\n      return result;"
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    "dateReserved": "2026-06-22T00:42:28.790Z",
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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