CVE-2023-39780 (GCVE-0-2023-39780)

Vulnerability from cvelistv5 – Published: 2023-09-11 00:00 – Updated: 2025-10-21 23:05
VLAI CISA Previdian
Summary
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.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-06 03:55 UTC
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2266 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
ASUS RT-AX55 Affected: 3.0.0.4.386.51598 (custom)
guessed Create a notification for this product.
asus rt-ax55 Affected: 3.0.0.4.386.51598
    cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:*
Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a6c1242f-7639-4a36-ab03-dc529f7c92ad

Vulnerability ID: CVE-2023-39780

Status: Confirmed

Status Updated: 2025-06-02 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-06-02
Asserted: 2025-06-02
Scope
Notes: KEV entry: ASUS RT-AX55 Routers OS Command Injection Vulnerability | Affected: ASUS / RT-AX55 Routers | Description: 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. | 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. | Due date: 2025-06-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-78
Feed CISA Known Exploited Vulnerabilities Catalog
Product RT-AX55 Routers
Due Date 2025-06-23
Date Added 2025-06-02
Vendorproject ASUS
Vulnerabilityname ASUS RT-AX55 Routers OS Command Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b5bed86a-bad5-4888-b53a-79dda92e3332

Vulnerability ID: CVE-2023-39780

Status: Confirmed

Status Updated: 2026-06-01 10:29 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-01
Asserted: 2026-06-01
Scope
Notes: KEVIntel entry: 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... | Affected: ASUS / RT-AX55 | CVSS: 8.8 (HIGH) | EPSS: 0.3216 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor ASUS
Product RT-AX55
Added Date 2026-06-01T10:29:36.477Z
Cvss Score 8.8
Epss Score 0.3216
Cvss Severity HIGH
Epss Percentile 0.98094
Used In Malware unknown
Ahead Of Cisa Kev 
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}
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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