Router

TRENDnet TEW-691GR

Projects for this device

Replacement firmware

OpenWrt

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.

1.0R: Get OpenWrt firmware Release listed · 25.12.6
1.0R; V1.0R: Open hardware record

Original project github.com

Recorded configuration: 8 MB flash; 64 MB RAM

First installation: U-Boot TFTP + serial recovery

Sources

Features & details

Check the project and hardware shown for each feature.

Device details

trendnet tew-691gr 10r — device documentation (github.com)Device details — Source documentation (openwrt.org)

Hardware revision: 1.0R

Device details

TRENDnet TEW-691GR — TechInfoDepot (github.com)TRENDnet TEW-691GR — WikiDevi (github.com)

Hardware revision: V1.0R

OpenWrt · 1.0R

OpenWrt · 1.0R — Source documentation (openwrt.org)

Installation routes recorded: U-Boot TFTP + serial recovery
Recovery routes recorded: U-Boot TFTP + serial recovery
Availability recorded by source: Discontinued 2013

Hardware details

Documented hardware

trendnet tew-691gr 10r — device documentation (github.com)TRENDnet TEW-691GR — TechInfoDepot (github.com)TRENDnet TEW-691GR — WikiDevi (github.com)Documented hardware — Source documentation (openwrt.org)

Hardware revision: 1.0R
Processor: Ralink RT3883
Hardware revision: V1.0R
Flash: 8 MB
Processor / Wi-Fi: Ralink RT3883
Memory: 64 MB
Hardware revision: 1.0R

Security

Saved scan 18 Oct 2026

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published 13 Nov 2019

TRENDnet TEW-691GR

Undocumented TELNET service in TRENDnet TEW-691GR and TEW-692GR when a web page named backdoor contains an HTML parameter of password and a value of j78G¬DFdg_24Mhw3.

CVE-2013-3367

Affected firmware: Version scope unspecified in source
Fix: Fix details in the linked record

Read mitre CVE record

Details and sources

Public disclosure 16 Jul 2013CVE updated 6 Aug 2024

Undocumented TELNET service in TRENDnet TEW-691GR and TEW-692GR when a web page named backdoor contains an HTML parameter of password and a value of j78G¬DFdg_24Mhw3.

Check more security advisories for this device · CVE.org