Old Router Security

Privacy Questions
1

I’m not super clear on whether OpenWrt actually provides updates to fix hardware-level vulnerabilities, or if it just provides operating system/software-level support.

Once a router reaches EoL and is no longer receiving updates from the vendor, is it ok security-wise to continue using it with the latest version of OpenWrt, or are there likely to be hardware vulnerabilities specific to the router that might not be addressed by OpenWrt?

2

It should be fine, afaik they do their own standardised firmware. I don’t think they use OEM specific firmware patches in the first place. OEM like TP-Link never updates their device anyway, even selling routers with linux kernel 3 or 4

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