Router

ASUS RT-N56U

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Projects for this device

Replacement firmware

Replace router software with a customizable system for network controls and community packages.

How to get started

Follow the guide for your exact router version. The first installation may use its web interface, recovery mode or a serial connection.

Setup
Firmware replacement; route varies by router
You’ll need
Exact hardware revision, an appropriate OpenWrt release and its model-specific installation guide.
rev A1 · Ralink RT3092L Wi-Fi
Processor: Ralink RT3662FOpen hardware record
rev B1 · MediaTek MT7603EN / MediaTek MT7612EN Wi-Fi
Processor: MediaTek MT7621ST · Wi-Fi chip: MediaTek MT7603EN · Wi-Fi chip: MediaTek MT7612ENOpen hardware record
A1 · Ralink RT3092L / Ralink RT3662F Wi-Fi
Get OpenWrt firmware Release listed · 25.12.6
B1 · MediaTek MT7603EN / MediaTek MT7612EN Wi-Fi
Get OpenWrt firmware Release listed · 25.12.6
B1
Open hardware record Release listed · 25.12.5

A1 · Ralink RT3092L / Ralink RT3662F Wi-Fi

First installation
Asus Firmware Restoration tool; U-Boot TFTP recovery

B1 · MediaTek MT7603EN / MediaTek MT7612EN Wi-Fi

First installation
Asus Firmware Restoration tool; U-Boot TFTP recovery
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

asus rt-n56u a1 — device documentation (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
A1

Device details

asus rt-n56u b1 — device documentation (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
B1

Device details

ASUS RT-N56U rev B1 — TechInfoDepot (github.com)

Hardware revision
rev B1

Device details

ASUS RT-N56U — TechInfoDepot (github.com)

Hardware revision
rev A1

Device details

ASUS RT-N56U B1 — WikiDevi (github.com)

Hardware revision
B1 (V2)

Device details

ASUS RT-N56U — WikiDevi (github.com)

Hardware revision
A1 (V1)

OpenWrt · A1 · Ralink RT3092L / Ralink RT3662F Wi-Fi

OpenWrt · A1 · Ralink RT3092L / Ralink RT3662F Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
Asus Firmware Restoration tool, U-Boot TFTP recovery
Recovery routes recorded
Asus Firmware Restoration tool, U-Boot TFTP recovery
Availability recorded by source
Discontinued

OpenWrt · B1 · MediaTek MT7603EN / MediaTek MT7612EN Wi-Fi

OpenWrt · B1 · MediaTek MT7603EN / MediaTek MT7612EN Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
Asus Firmware Restoration tool, U-Boot TFTP recovery
Recovery routes recorded
Asus Firmware Restoration tool, U-Boot TFTP recovery
Availability recorded by source
Discontinued

Hardware differences

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

ASUS RT-N56U

ASUS RT-N56U devices allow CSRF.

CVE-2013-3093

Affected firmware
Version scope unspecified in source
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

ASUS RT-N56U devices allow CSRF.

ASUS RT-N56U

Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service.

CVE-2013-4656

Affected firmware
Version scope unspecified in source
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

Symlink Traversal vulnerability in ASUS RT-AC66U and RT-N56U due to misconfiguration in the SMB service.

ASUS RT-N56U

Stack buffer overflow in httpd in Asuswrt-Merlin firmware 380.67_0RT-AC5300 and earlier for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U,…

CVE-2017-12754

Affected firmware
Version details in source scope
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

Stack buffer overflow in httpd in Asuswrt-Merlin firmware 380.67_0RT-AC5300 and earlier for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code on the router by sending a crafted http GET request packet that includes a long delete_offline_client parameter in the url.

ASUS RT-N56U

Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U,…

CVE-2017-11420

Affected firmware
Version details in source scope
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.

ASUS RT-N56U

Stack buffer overflow in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1,…

CVE-2017-11345

Affected firmware
Version details in source scope
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

Stack buffer overflow in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code on the router by hosting a crafted device description XML document (that includes a serviceType element) at a URL specified within a Location header in an SSDP response.

Check more security advisories for this device · CVE.org