How severe is CVE-2013-4659?

CVE-2013-4659 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-4659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4659?

CVE-2013-4659 primarily affects Asus Rt-ac66u Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-4659 published?

CVE-2013-4659 was published on 2017-03-14 and last updated on 2026-06-16.

CVE-2013-4659

CVE-2013-4659 is a critical-severity vulnerability in Asus Rt-ac66u Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Asus Rt-ac66u Firmware
Published: 2017-03-14
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-4659?: CVE-2013-4659 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-4659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4659?: CVE-2013-4659 primarily affects Asus Rt-ac66u Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-4659 published?: CVE-2013-4659 was published on 2017-03-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:asus:rt-ac66u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:trendnet:tew-812dru_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Asus Rt-ac66u Firmware

CVE-2013-6343 — Critical (CVSS 10.0): 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…
CVE-2013-4937 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in the AiCloud feature on the ASUS RT-AC66U, RT-N66U, RT-N65U, RT-N14U, RT-N16,…
CVE-2018-8879 — Critical (CVSS 9.8): Stack-based buffer overflow in Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before…
CVE-2013-4656 — Critical (CVSS 9.8): Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service.
CVE-2018-8826 — Critical (CVSS 9.8): ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with firmware before 3.0.0.4.380.8228;…
CVE-2018-9285 — Critical (CVSS 9.8): Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U, RT-AC1900, RT-AC2900, and…

All CVEs affecting Asus Rt-ac66u Firmware →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →