Beta build · 10-13-2026-r66345
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ASUS RT-AC87U
Projects for this device
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.
- Hardware revision not specified
- Get OpenWrt firmware Release listed · 25.12.6
- Hardware revision not specified
- Open hardware record
Recorded configuration: 128NAND MB flash; 256 MB RAM
- Limitations
- WiFi 2.4GHz partly WiFi 5GHz
- First installation
- CFE TFTP recovery; CFE TFTP + serial recovery
- Limitations
- WiFi 2.4GHz partly
- Limitations
- WiFi 5GHz
Features & details
Check the project and hardware shown for each feature.
OpenWrt
- Installation routes recorded
- CFE TFTP recovery, CFE TFTP + serial recovery
- Recovery routes recorded
- Asus Firmware Restoration tool, CFE TFTP recovery
- Availability recorded by source
- Available 2019
Hardware details
Documented hardware
- Processor
- Broadcom BCM4709A0
- Memory
- 256 MB
- Wi-Fi chip
- Broadcom BCM4360
- Wi-Fi chip
- Quantenna QT2518B
- Wi-Fi chip
- Quantenna QT3840BC
Technical references
Security
Saved scan
From our saved security research.
Model advisories
Selected highlightsPrioritized by known exploitation, severity, then date.
RT-AC87U
An improper access control vulnerability exists in RT-AC87U all versions
- Affected firmware
- all versions
- Fix
- Fix details in the linked record
Details and sources
An improper access control vulnerability exists in RT-AC87U all versions. An attacker may read or write files that are not intended to be accessed by connecting to a target device via tftp.
RT-AC87U
Cross-site scripting vulnerability in ASUS RT-AC87U Firmware version prior to 3.0.0.4.378.9383 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
- Affected firmware
- Firmware version prior to 3.0.0.4.378.9383
- Fix
- Fix details in the linked record
Details and sources
Cross-site scripting vulnerability in ASUS RT-AC87U Firmware version prior to 3.0.0.4.378.9383 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
ASUS RT-AC87U
Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U, RT-AC1900, RT-AC2900, and RT-AC3100 devices before 3.0.0.4.384_10007; RT-N18U devices before…
- Affected firmware
- Version details in source scope
- Fix
- Fix details in the linked record
Details and sources
Main_Analysis_Content.asp in /apply.cgi on ASUS RT-AC66U, RT-AC68U, RT-AC86U, RT-AC88U, RT-AC1900, RT-AC2900, and RT-AC3100 devices before 3.0.0.4.384_10007; RT-N18U devices before 3.0.0.4.382.39935; RT-AC87U and RT-AC3200 devices before 3.0.0.4.382.50010; and RT-AC5300 devices before 3.0.0.4.384.20287 allows OS command injection via the pingCNT and destIP fields of the SystemCmd variable.
ASUS RT-AC87U
Session hijack vulnerability in httpd on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P,…
- Affected firmware
- Version details in source scope
- Fix
- Fix details in the linked record
Details and sources
Session hijack vulnerability in httpd on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers with firmware before 3.0.0.4.380.7378; RT-AC68W routers with firmware before 3.0.0.4.380.7266; and RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers with firmware before 3.0.0.4.380.9488; and Asuswrt-Merlin firmware before 380.65_2 allows remote attackers to steal any active admin session by sending cgi_logout and asusrouter-Windows-IFTTT-1.0 in certain HTTP headers.
ASUS RT-AC87U
Buffer overflows in networkmap on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+,…
- Affected firmware
- Version details in source scope
- Fix
- Fix details in the linked record
Details and sources
Buffer overflows in networkmap on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers with firmware before 3.0.0.4.380.7378; RT-AC68W routers with firmware before 3.0.0.4.380.7266; and RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers with firmware before 3.0.0.4.380.9488; and Asuswrt-Merlin firmware before 380.65_2 allow remote attackers to execute arbitrary code on the router via a long host or port in crafted multicast messages.
