CVE-2023-39780

ASUS RT-AX55 v3.0.0.4.386.51598 was discovered to contain an authenticated command injection...

8.8 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

39.5%Up 39.5 points since Sep 12, 2023

What each source reports

CVE List Score used 8.8

Record: CVE-2023-39780
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2023-43480 8.8

Record: EUVD-2023-43480
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-6m5p-5ccp-c8p3 8.8

ASUS RT-AX55 v3.0.0.4.386.51598 was discovered to contain an authenticated command injection...

ASUS RT-AX55 v3.0.0.4.386.51598 was discovered to contain an authenticated command injection vulnerability.

Record: GHSA-6m5p-5ccp-c8p3
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-77, CWE-78
Updated: 2026-11-02

CISA KEV No score

ASUS RT-AX55 Routers OS Command Injection Vulnerability

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.

Record: CVE-2023-39780
Weakness: CWE-78
Updated: 2026-11-02

NVD 8.8

Record: CVE-2023-39780
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	krevetkqqq/CVE-2023-39780	2026-10-30

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-39780 is a high vulnerability (CVSS 8.8) in Asus Rt-ax55, published September 11, 2023. CISA lists it as known to be exploited, since June 2, 2025. EUVD reports exploitation since June 2, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 39.5%, the 98th percentile. No source names a fixed version.

References

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