https://blog.zars.me/tags/reverse-engineering/Recent content in Reverse-Engineering on Tyler's BlogHugoen-us© AthulWed, 07 Oct 2026 12:13:32 +0530https://blog.zars.me/posts/edgerouter/Wed, 07 Oct 2026 12:13:32 +0530https://blog.zars.me/posts/edgerouter/I have an EdgeRouter at home and I have quite enjoyed it for keeping my home internet up and running over the years. Out of the blue, the EdgeRouter started throwing up an “Error A12” in the Web UI. Looking into this error on the internet revealed some people that had encountered it before on the Unifi forums: Link 1, Link 2, Link 3. The general consensus on every forum was that is was some sort of SPI Flash error that was marking the device as a counterfeit.