CVE-2013-6343

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

7.8% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2013-11-01 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2014-01-22 05:22 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 00:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 7.8% in the next 30 days (EPSS).
• Severity: 10.0 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2014-01-22 05:22 UTC

Last modified

2026-06-17 00:00 UTC

Exploit probability

7.8% · EPSS, next 30 days

Weakness

CWE-119 · Buffer errors

Record status

Modified

Affected

• Asus tm-ac1900 Firmware 3.0.0.4..374_979
• Asus rt-n56u Firmware 3.0.0.4..374_979
• Asus rt-ac66u Firmware 3.0.0.4..374_979

Attack profile CVSS 2.0 · 10.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

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