ASUS RT-AX56U - Stack overflew
Priority LOW 39CWE-787Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- 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-787 and the CVSS impact.
Summary
ASUS RT-AX56U’s user profile configuration function is vulnerable to stack-based buffer overflow due to insufficient validation for parameter length. An unauthenticated LAN attacker can execute arbitrary code to perform arbitrary operations or disrupt service.
Why it matters now
EPSS 0.00541 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ASUS | RT-AX56U | 3.0.0.4.386.45898 | — | No fix listed | CNA |
- RT-AX56U VendorASUS Affected 3.0.0.4.386.45898 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23973
- 2026-10-03 Alias added: GHSA-v6gh-mj92-4mvj
References
More ASUS Rt-ax56u Firmware vulnerabilities
- 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-2021-19533 ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). CVSS 3.1CRITICAL 9.0
- TI-2021-18229 An HTTP request smuggling in web application in ASUS ROG Rapture GT-AX11000, RT-AX3000… CVSS 3.1HIGH 7.5
- TI-2021-17582 A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router… CVSS 3.1HIGH 8.8
Sources
- CVE-2022-23973 · CVE Program
- CVE-2022-23973 · NVD
- FIRST EPSS
- GHSA-v6gh-mj92-4mvj · GitHub Advisory Database · CC BY 4.0
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