CVE-2023-39780
HIGH KEVASUS RT-AX55 3.0.0.4.386.51598 - Authenticated OS Command Injection via QoS Bandwidth Rule List Parameter
Title source: llmExploitation Summary
CVE-2023-39780 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added June 2, 2025.
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.
References (8)
Core 8
Core References
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md
Exploit, Third Party Advisory
https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-39780
Exploit, Third Party Advisory
https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers
Scores
CVSS v3
8.8
EPSS
0.4709
EPSS Percentile
97.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2025-06-02
VulnCheck KEV
2025-05-28
ENISA EUVD
EUVD-2023-43480
CWE
CWE-78
Status
published
Products (1)
asus/rt-ax55_firmware
3.0.0.4.386.51598
Published
Sep 11, 2023
KEV Added
Jun 02, 2025
Tracked Since
Feb 18, 2026