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    1 vulnerability found for RT-AC58U Firmware by ASUS

    GCVE-115-2026-00004 (CVE-2018-18287)

    Vulnerability from gna-115 – Published: 2026-09-16 00:00 – Updated:
    VLAI
    Title
    ASUS RT-AC58U Information Disclosure
    Summary
    CVE-2018-18287 is an information disclosure vulnerability that affects ASUS routers running specific firmware versions. The vulnerability exists in the router's web interface and allows unauthorized access to sensitive network data. Technical details: The vulnerability is present in the main login page (Main_Login.asp) and additional pages of the router's web interface. These pages inadvertently expose: DHCP Lease Information: Complete list of devices connected to the network, including IP addresses and hostnames Network Time Information: Current time, date, and system uptime statistics Network Topology: Details about active network clients This information is accessible without authentication, allowing any user with network access to the router's web interface to extract sensitive data about the network and connected devices.
    Severity
    No CVSS data available.
    Assigner
    Adrian Dacka GNA GNA-115
    GNA scorecard D 46/100 over 10 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    ASUS RT-AC58U Firmware Affected: <=3.0.0.4.380_6516
    Create a notification for this product.
    Date Public
    2018-10-14 00:00
    Relationships

    {
      "containers": {
        "cna": {
          "affected": [
            {
              "product": "RT-AC58U Firmware",
              "vendor": "ASUS",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003c=3.0.0.4.380_6516"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Adrian \"syrex1013\" Dacka"
            }
          ],
          "datePublic": "2018-10-14",
          "descriptions": [
            {
              "lang": "en",
              "value": "CVE-2018-18287 is an information disclosure vulnerability that affects ASUS routers running specific firmware versions. The vulnerability exists in the router\u0027s web interface and allows unauthorized access to sensitive network data.\n\nTechnical details:\nThe vulnerability is present in the main login page (Main_Login.asp) and additional pages of the router\u0027s web interface. These pages inadvertently expose:\n\nDHCP Lease Information: Complete list of devices connected to the network, including IP addresses and hostnames\nNetwork Time Information: Current time, date, and system uptime statistics\nNetwork Topology: Details about active network clients\nThis information is accessible without authentication, allowing any user with network access to the router\u0027s web interface to extract sensitive data about the network and connected devices."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "DHCP Leak Extraction:\n\nSends an HTTP GET request to http://[router-ip]/Main_Login.asp\nParses the JavaScript variable dhcpLeaseInfo from the response\nExtracts and formats the list of connected devices with their IP addresses and hostnames\nTime Information Extraction:\n\nSends an HTTP GET request to http://[router-ip]/update_clients.asp\nExtracts the current_time value from the response\nDisplays the router\u0027s current time, date, and uptime information\nBoth requests are made without any authentication, demonstrating the severity of the vulnerability."
            }
          ],
          "references": [
            {
              "url": "https://github.com/remix30303/AsusLeak"
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "ASUS RT-AC58U Information Disclosure",
          "x_gcve": [
            {
              "recordType": "advisory",
              "relationships": [
                {
                  "destId": "CVE-2018-18287",
                  "type": "equal"
                }
              ],
              "vulnId": "GCVE-115-2026-00004"
            }
          ]
        }
      },
      "cveMetadata": {
        "cveId": "CVE-2018-18287",
        "datePublished": "2026-09-16T00:00:00.000Z",
        "state": "PUBLISHED",
        "vulnId": "GCVE-115-2026-00004"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }