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TI-2023-20780 Aliases CVE-2023-39780GHSA-6m5p-5ccp-c8p3

OS command injection in ASUS RT-AX55

Priority CRITICAL 97Exploited in the wildCWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

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.

Why it matters now

Exploitation Active In CISA KEV since 2025-06-02CISA due date 2025-06-23
EPSS 0.39514 98th percentileScored 2026-11-07
Public exploit Yes 7 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ASUSRT-AX553.0.0.4.386.51598—No fix listedCNA
  • RT-AX55 VendorASUS Affected 3.0.0.4.386.51598 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:asus:rt-ax55_firmware:3.0.0.4.386.51598:*:*:*:*:*:*:*3.0.0.4.386.51598VulnerableASUS
cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:*not specified by NVDRunning onASUS
  • cpe:2.3:o:asus:rt-ax55_firmware:3.0.0.4.386.51598:*:*:*:*:*:*:* Versions 3.0.0.4.386.51598 Vulnerable ·ASUS
  • cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2025-06-02 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-39780
  3. 2026-10-03 Alias added: GHSA-6m5p-5ccp-c8p3

References

Exploit 7

  • TI-2022-09749 Out-of-bounds write in Asuswrt-Merlin New Gen CVSS 3.1CRITICAL 9.8
  • TI-2021-18228 A brute-force protection bypass in CAPTCHA protection in ASUS ROG Rapture GT-AX11000… CVSS 3.1CRITICAL 9.8
  • TI-2021-02220 In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware <… CVSS 3.1HIGH 7.5
  • TI-2023-21945 ASUS RT-AX55 - command injection - 4 CVSS 3.1HIGH 8.8
  • TI-2023-21944 ASUS RT-AX55 - command injection - 3 CVSS 3.1HIGH 8.8
  • TI-2023-21943 ASUS RT-AX55 - command injection - 2 CVSS 3.1HIGH 8.8
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences