{"id":"CVE-2023-39780","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-39780","generatedAt":"2026-10-31T10:22:27.972Z","title":"ASUS RT-AX55 Routers OS Command Injection Vulnerability","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.","published":"2023-09-11T19:15:43.000Z","lastModified":"2026-06-17T06:12:52.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["asus/rt-ax55 firmware"],"epss":{"score":0.39514,"percentile":0.98611,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-06-02","dueDate":"2025-06-23","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://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"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 23 June 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-39780","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers","tags":["Exploit","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-39780","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}