# CVE-2023-39780: ASUS RT-AX55 Routers OS Command Injection Vulnerability

> CVE-2023-39780: ASUS RT-AX55 Routers OS Command Injection Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-39780
Last updated: 2025-10-21T23:05:39Z

- Published: 2023-09-11 00:00 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: mitre
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 39.5%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-06-02, federal due date 2025-06-23, ransomware use: Unknown
- CWE: CWE-78

## 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.

## CISA 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.

## Affected vendors and products

- asus: rt-ax55
- ASUS: RT-AX55

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-39780)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-39780)
- [https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md](https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/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-2023-39780/2/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-2023-39780/3/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-2023-39780/4/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-2023-39780/5/EN.md)
- [https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md](https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2023-39780 · Markdown: https://rewindex.com/cve/CVE-2023-39780.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-39780 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:26.997Z