Known Exploited Vulnerability
8.8
HIGH
CVE-2023-39780
ASUS RT-AX55 Routers OS Command Injection Vulnerab - [Actively Exploited]
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.

INFO

Published Date :

Sept. 11, 2023, 7:15 p.m.

Last Modified :

June 3, 2025, 8:59 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

ASUS RT-AX55 devices contain a OS command injection vulnerability that could allow a remote, authenticated attacker to execute arbitrary commands.

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.

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

Affected Products

The following products are affected by CVE-2023-39780 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Asus rt-ax55_firmware
2 Asus rt-ax55

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-39780 vulnerability anywhere in the article.

  • BleepingComputer
CISA warns of ConnectWise ScreenConnect bug exploited in attacks

CISA is alerting federal agencies in the U.S. of hackers exploiting a recently patched ScreenConnect vulnerability that could lead to executing remote code on the server. The agency is warning that fo ... Read more

Published Date: Jun 03, 2025 (7 hours, 13 minutes ago)
  • TheCyberThrone
CISA Adds Five New Vulnerabilities to  KEV Catalog

The Cybersecurity and Infrastructure Security Agency (CISA) has expanded its Known Exploited Vulnerabilities (KEV) Catalog, adding five new vulnerabilities that pose a high risk to federal agencies an ... Read more

Published Date: Jun 03, 2025 (7 hours, 31 minutes ago)
  • Daily CyberSecurity
CISA Adds 5 Actively Exploited Vulnerabilities to KEV Catalog: ASUS Routers, Craft CMS, and ConnectWise Targeted

The Cybersecurity and Infrastructure Security Agency (CISA) has added five new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, citing verified evidence of active exploitation in ... Read more

Published Date: Jun 03, 2025 (21 hours, 3 minutes ago)
  • Daily CyberSecurity
AyySSHush: New Stealthy Botnet Backdoors ASUS Routers, Persists Through Firmware Updates

A new wave of router-based cyberattacks has emerged in the form of a stealthy and persistent botnet campaign dubbed AyySSHush, targeting ASUS routers across the globe. First uncovered in March 2025 by ... Read more

Published Date: May 31, 2025 (3 days, 9 hours ago)

The following table lists the changes that have been made to the CVE-2023-39780 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Jun. 03, 2025

    Action Type Old Value New Value
    Added CWE CWE-78
    Removed CWE CWE-77
    Added Reference Type CISA-ADP: https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers Types: Exploit, Third Party Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jun. 03, 2025

    Action Type Old Value New Value
    Added Date Added 2025-06-02
    Added Due Date 2025-06-23
    Added 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.
    Added Vulnerability Name ASUS RT-AX55 Routers OS Command Injection Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 02, 2025

    Action Type Old Value New Value
    Added Reference https://www.greynoise.io/blog/stealthy-backdoor-campaign-affecting-asus-routers
  • CVE Modified by [email protected]

    May. 16, 2025

    Action Type Old Value New Value
    Changed Description ASUS RT-AX55 v3.0.0.4.386.51598 was discovered to contain an authenticated command injection vulnerability. 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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md
    Added Reference https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 14, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/1/EN.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/2/EN.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/3/EN.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/4/EN.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/5/EN.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md No Types Assigned https://github.com/D2y6p/CVE/blob/main/asus/CVE-2023-39780/6/EN.md Exploit, Third Party Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax55_firmware:3.0.0.4.386.51598:*:*:*:*:*:*:* OR cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-39780 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

51.22 }} 49.44%

score

0.97738

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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Latest DB Update: Jun. 03, 2025 21:10