Network hardening including the use of strong passwords, timely software/firmware updates on all levels. Hopefully, whenever Hitron will update its CODA-4582 firmware with the latest dnsmasq V2.80 (or higher by the time when it would happen) software most of the problems mentioned in this and other posts will be put to rest. These attacks may last from seconds to many hours and may be repeated time-to-time. Unfortunately, time-to-time any network may become a DoS target. Last t hree bugs CVE-2017-14495, CVE-2017-14496 and CVE-2017-13704 can lead to denial-of-service (DoS) attacks caused by invalid boundary checks, bug collision, and a coding issue.ĭoS attacks, including its Distributed (DDoS) and other variations, may lead to significant network slowdown, intermittent connectivity losses and many other unpredictable awkward problems. In addition to the "rusty" or broken hardware (cables, splitters, contacts and other devices) the security flaws are other roots that are responsible for network erratic behaviour.Ĭurrently, Hitron CODA-4582 modem used for Rogers Ignite services runs the very old DNS software package - dnsmasq V2.75. This simple test points to Hitron modem at home as a root. Avast reported NO ISSUES with the network/modem there except network encryption (which is expected). To exclude any related software/OS/antivirus influence on the network security I brought my laptop to the closest Toronto Public library branch and connected it to a free Wifi there. Both machines are connected directly via a cable to the modem. There were no further AV updates for it.īoth AV versions report the same modem vulnerability problem and no problems on each PCs. My old HP laptop with Windows XP runs free version installed in November 2018. I installed the latest free version of Avast on my Windows 10 desktop. Avast does not show it, however, it can be determined by Rogers technician. I don't know what is the firmware version on them. Both modems use original factory settings. I did not make any changes to the DNS servers on the first and the second (current) Hitron CODA-4582U modem. The latest version of Hitron CODA-4582U modem firmware presumably should have it. Please help to resolve this problem that was detected first time by Google security team back in September 2017.īTW, a new security patch in modems' firmware was created and released by Red Hat in October 2017. All modem settings were verified by Rogers' technical support and they were all OK. You may google this ID to get more details about this critical security issue.Īny attempts to reboot Hitron modem, reset to the factory settings, replace it with the new one and even installing the latest version of Avast antivirus on both Windows PCs did not help. However, starting January 14 Avast started indicating this home network security problem:ĭNS: Device is vulnerable to attacks - vulnerability ID: CVE-2017-14491.Īttackers can abuse this vulnerability to disrupt normal functions of this device and make it unresponsive.Īttackers can execute their own code on this device. When I ran antivirus just after the upgrade no network security problems were detected. On January 11, 2019, I upgraded my internet service to Ignite500 and had to replace my old Hitron modem with the brand new one Hitron CODA4582. There were no Avast updates during the past few weeks. Avast antivirus was running on two my Windows PC and never detected an issue with my home network. I had no network security problems during the past several years using Ignite30 internet service.
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