Is CVE-2013-6343 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2013-6343, but active exploitation has not been confirmed.

Can CVE-2013-6343 be exploited remotely?

Yes. CVE-2013-6343 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-6343?

CVE-2013-6343 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2013-6343

CWE-119Published: January 22, 2014· Updated: Jun 17, 2026

10.0

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2013-6343 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2013-6343. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.