What is CVE-2013-4659?

CVE-2013-4659 is a critical-severity vulnerability in ASUS Rt-Ac66u, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-14.

How severe is CVE-2013-4659?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in ASUS Rt-Ac66u

CVE-2013-4659

Buffer overflow in Broadcom ACSD allows remote attackers to execute arbitrary code via a long string to TCP port 5916. This component is used on routers of multiple vendors including ASUS RT-AC66U and TRENDnet TEW-812DRU.

Vulnerability class: Buffer Overflow

Published 2017-03-14 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.139 (96.5th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.102 · newest: 0.139 · change: +0.038

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

packetstormsecurity.com/files/122562/ASUS-RT-AC66U-ACSD-Remote-Root-Buffer-Over… (Exploit, VDB Entry, Third Party Advisory)
www.linux-magazine.com/Issues/2014/161/Security-and-SOHO-Routers (Press/Media Coverage)

Frequently asked questions

What is CVE-2013-4659?: CVE-2013-4659 is a critical-severity vulnerability in ASUS Rt-Ac66u, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-14.
How severe is CVE-2013-4659?: Critical severity. CVSS v3 base score is 9.8 out of 10.