{"cveID":"CVE-2023-39780","vendorProject":"ASUS","product":"RT-AX55 Routers","vulnerabilityName":"ASUS RT-AX55 Routers OS Command Injection Vulnerability","dateAdded":"2025-06-02","shortDescription":"ASUS RT-AX55 devices contain an OS command injection vulnerability that could allow a remote, authenticated attacker to execute arbitrary commands. As represented by CVE-2023-41346.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","dueDate":"2025-06-23","knownRansomwareCampaignUse":"Unknown","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","cwes":["CWE-78"],"year":2023,"state":"mapped","stale_reasons":[],"mappings":[{"domain":"enterprise","cve":"CVE-2023-39780","technique":"T1078","technique_name_at_mapping":"Valid Accounts","mapping_type":"exploitation_technique","capability_group":"command_injection","comments":"Attackers have gained access to affected ASUS routers by using brute-force login attempts and authentication bypasses, allowing them to inject and execute commands to enable SSH. Additionally, they can place a backdoor in the NVRAM.","references":["https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2023-39780","technique":"T1133","technique_name_at_mapping":"External Remote Services","mapping_type":"exploitation_technique","capability_group":"command_injection","comments":"Attackers have gained access to affected ASUS routers by using brute-force login attempts and authentication bypasses, allowing them to inject and execute commands to enable SSH. Additionally, they can place a backdoor in the NVRAM.","references":["https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2023-39780","technique":"T1588","technique_name_at_mapping":"Obtain Capabilities","mapping_type":"exploitation_technique","capability_group":"command_injection","comments":"Attackers have gained access to affected ASUS routers by using brute-force login attempts and authentication bypasses, allowing them to inject and execute commands to enable SSH. 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Additionally, they can place a backdoor in the NVRAM.","references":["https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers"],"status":"complete","source_file":"kev-07.28.2025_attack-16.1-enterprise.json","attack_version":"16.1","kev_snapshot":"07/28/2025"},{"domain":"enterprise","cve":"CVE-2023-39780","technique":"T1059.004","technique_name_at_mapping":"Unix Shell","mapping_type":"primary_impact","capability_group":"command_injection","comments":"Attackers have gained access to affected ASUS routers by using brute-force login attempts and authentication bypasses, allowing them to inject and execute commands to enable SSH. 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