
Earlier, I’ve already published information about the critical vulnerabilities and backdoors in D-Link DIR-620 (RevG), that I’ve discovered and submitted to the vendor. The D-Link DIR-620 routers is a model of router, that popular in Russia and CIS countries (most home routers are located behind their ISP’s NAT, which is why these routers don’t appear in the statistics) due to one of the ISPs delivered to its customers (this conclusion is based on the fact that the router is provided as part of the standard customer contract and the hardcoded credentials contain the name of the ISP in the login string).