ASUS · RT-AX55 Routers
CVE-2023-39780
ASUS RT-AX55 Routers OS Command Injection Vulnerability
CISA KEV record
- CISA date added
- 2025-06-02
- CISA due date
- 2025-06-23
- Known ransomware use
- Unknown
NVD risk context
8.8 HIGH
CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.
Description
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.
Required 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.
NVD reference index
Vendor and remediation references
NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.
Other NVD references (8)
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md ↗
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md ↗
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md ↗
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md ↗
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md ↗
- https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-39780 ↗
- https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers ↗
MITRE CWE context
CWE classification
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
View official MITRE CWE details ↗NVD record timing
NVD record timeline
These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.
- NVD published
- Sep 11, 2023, 07:15 PM UTC When NVD first published this CVE record.
- NVD last updated
- Jun 17, 2026, 06:12 AM UTC When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector
This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA 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