{
  "id": "CVE-2023-39780",
  "url": "https://spydr.io/cve/CVE-2023-39780",
  "published": "2023-09-11T19:15:43.190Z",
  "modified": "2026-06-17T06:12:51.930Z",
  "score": 8.8,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "NVD",
  "epss": 0.39514,
  "epss_percentile": 0.98576,
  "exploited": true,
  "kev": {
    "added": "2025-06-02",
    "due": "2025-06-23",
    "action": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
    "ransomware": "Unknown",
    "name": "ASUS RT-AX55 Routers OS Command Injection Vulnerability",
    "notes": "https://www.asus.com/networking-iot-servers/wifi-6/all-series/rt-ax55/helpdesk_bios/?model2Name=RT-AX55 ; https://www.asus.com/content/asus-product-security-advisory/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-39780"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "ASUS"
  ],
  "products": [
    "ASUS RT-AX55"
  ],
  "cwes": [
    "CWE-78"
  ],
  "description": "On ASUS RT-AX55 3.0.0.4.386.51598 devices, authenticated attackers can perform OS command injection via the /start_apply.htm qos_bw_rulelist parameter. NOTE: for the similar \"token-generated module\" issue, see CVE-2023-41345; for the similar \"token-refresh module\" issue, see CVE-2023-41346; for the similar \"check token module\" issue, see CVE-2023-41347; and for the similar \"code-authentication module\" issue, see CVE-2023-41348.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.8,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-39780",
      "tags": [
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39780",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}