Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service.
Priority MEDIUM 46CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service.
Why it matters now
EPSS 0.02205 82nd 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:asus:rt-ac66u_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | ASUS |
| cpe:2.3:h:asus:rt-ac66u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ASUS |
| cpe:2.3:o:asus:rt-n56u_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | ASUS |
| cpe:2.3:h:asus:rt-n56u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ASUS |
- cpe:2.3:o:asus:rt-ac66u_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ASUS
- cpe:2.3:h:asus:rt-ac66u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS
- cpe:2.3:o:asus:rt-n56u_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ASUS
- cpe:2.3:h:asus:rt-n56u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-4656
- 2026-10-03 Alias added: GHSA-9f58-xmg6-36px
References
More ASUS Rt-ac66u Firmware vulnerabilities
- TI-2018-06421 Stack-based buffer overflow in Asuswrt-Merlin firmware for ASUS devices older than 384.4… CVSS 3.1CRITICAL 9.8
- TI-2013-04084 Buffer overflow in Broadcom ACSD allows remote attackers to execute arbitrary code via a… CVSS 3.0CRITICAL 9.8
- TI-2013-05311 Multiple buffer overflows in web.c in httpd on the ASUS RT-N56U and RT-AC66U routers with… CVSS 2.0HIGH 10.0
- TI-2018-06370 ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with… CVSS 3.0CRITICAL 9.8
- TI-2018-06731 Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U… CVSS 3.0CRITICAL 9.8
- TI-2013-04317 Multiple unspecified vulnerabilities in the AiCloud feature on the ASUS RT-AC66U… CVSS 2.0HIGH 10.0
Sources
- CVE-2013-4656 · CVE Program
- CVE-2013-4656 · NVD
- FIRST EPSS
- GHSA-9f58-xmg6-36px · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences