RCE in Asus Rt-ax55
CVE-2023-39780
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 simil…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.411 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Asus Rt-ax55 — versions 3.0.0.4.386.51598
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md
- github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md
Frequently asked questions
- What is CVE-2023-39780?
- CVE-2023-39780 is a high-severity vulnerability in Asus Rt-ax55, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-09-11.
- How severe is CVE-2023-39780?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-39780 known to be exploited?
- Yes. CVE-2023-39780 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-06-02), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.