Linksys
Linksys WRT54G: remove from network immediately
The WRT54G is an iconic router but unsupported for over 10 years. It accumulates critical unpatched vulnerabilities and must not be exposed to the Internet.
- Risk level
- Critical risk
- Category
- Routers and network
- Last reviewed
- 2026-05-23
- Confidence
- high
Support status
Official end of support for many years. No updates available.
Typical symptoms
- No updates available for years
- Unsupported firmware exposed to critical CVEs
- Wi-Fi G only (802.11g), very slow
Fixes to try
- Remove from the network immediately if Internet-facing
- Replace with a modern router
- As a last resort, install OpenWrt if the model is supported