Multiple buffer overflows in web.c in httpd on the ASUS RT-N56U and RT-AC66U routers with…
Priority MEDIUM 53CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple buffer overflows in web.c in httpd on the ASUS RT-N56U and RT-AC66U routers with firmware 3.0.0.4.374_979 allow remote attackers to execute arbitrary code via the (1) apps_name or (2) apps_flag parameter to APP_Installation.asp.
Why it matters now
EPSS 0.07824 94th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
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 · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:asus:tm-ac1900_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* | 3.0.0.4..374_979 | Vulnerable | ASUS |
| cpe:2.3:h:asus:tm-ac1900:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ASUS |
| cpe:2.3:o:asus:rt-n56u_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* | 3.0.0.4..374_979 | Vulnerable | ASUS |
| cpe:2.3:h:asus:rt-n56u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ASUS |
| cpe:2.3:o:asus:rt-ac66u_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* | 3.0.0.4..374_979 | Vulnerable | ASUS |
| cpe:2.3:h:asus:rt-ac66u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ASUS |
- cpe:2.3:o:asus:tm-ac1900_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* Versions 3.0.0.4..374_979 Vulnerable ·ASUS
- cpe:2.3:h:asus:tm-ac1900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS
- cpe:2.3:o:asus:rt-n56u_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* Versions 3.0.0.4..374_979 Vulnerable ·ASUS
- cpe:2.3:h:asus:rt-n56u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ASUS
- cpe:2.3:o:asus:rt-ac66u_firmware:3.0.0.4..374_979:*:*:*:*:*:*:* Versions 3.0.0.4..374_979 Vulnerable ·ASUS
- cpe:2.3:h:asus:rt-ac66u:-:*:*:*:*:*:*:* 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-2013-6343
- 2026-10-03 Alias added: GHSA-3hpf-fhp5-r44c
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-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
- TI-2013-04081 Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2013-6343 · CVE Program
- CVE-2013-6343 · NVD
- FIRST EPSS
- GHSA-3hpf-fhp5-r44c · 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