Deviceways

Router

TP-LINK Archer C20i

Contribute

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.
v1
Get OpenWrt firmware Release listed · 25.12.6
v1
Open hardware record
Original project github.com
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

tp-link archer c20i ac750 v1 — device documentation (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
v1

OpenWrt · v1

OpenWrt · v1 — Source documentation (openwrt.org)

Recovery routes recorded
U-Boot TFTP recovery
Availability recorded by source
Available 2019

Hardware details

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published

TP-LINK Archer C20i

There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a…

CVE-2021-44827

Affected firmware
Archer C20i: 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources
CVE updated

There is remote authenticated OS command injection on TP-Link Archer C20i 0.9.1 3.2 v003a.0 Build 170221 Rel.55462n devices vie the X_TP_ExternalIPv6Address HTTP parameter, allowing a remote attacker to run arbitrary commands on the router with root privileges.

CVE-2021-44827 record (full-disclosure.eu) ↗
Check more security advisories for this device · CVE.org