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

Vulnerability from cvelistv5 – Published: 2026-06-24 03:40 – Updated: 2026-06-24 12:50
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 12:50 UTC
CWE
  • CWE-78 - Improper neutralization of special elements used in an OS command ('OS command injection')
Assigner
GV CNA under the mitre root
CNA scorecard B 82/100 over 78 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
GeoVision Inc. GV-I/O Box 4E Affected: V2.09
Unaffected: V2.12
    cpe:2.3:a:geovision_inc.:gv-i_o_box_4e:v2.09:*:linux:*:*:*:*:*
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.\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;"
            }
          ],
          "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 (\u0027OS command injection\u0027)",
                  "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": "2026-06-24T12:50:52.147Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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