Security researcher David Longenecker explains that the SB6141 model Arris (formerly Motorola) SURFboard modem, one of the most popular cable modems in the world with up to 13.5 million currently in production, is vulnerable to unauthenticated reboot attacks due to two flaws.

{{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. I know many would believe that no attacker would ever do that but they're mistaken: attackers have patched holes (after compromising the site) and e.g. Spotify | RSS

This includes anything loaded into memory, like any videos you’re playing, websites you have open, documents you're editing, etc. Restart/reboot vs reset, reset is different from reboot/restart. This leads us into our second security issue. They can literally do nothing, Its not true that nothing can be done about this. Well the least the attackers could do if they decide to reboot it, is to apply the patch first. Rebooting the device will just turn it off and on, and won’t actually reset/restore the software like you really want, which in this case would erase all your custom apps and delete any lingering personal information. You can opt-out at any time. Unfortunately, if an attacker were looking to be an all-out nuisance, that same web user interface provides them with the ability to factory reset the modem. When most devices (like computers) are powered down, any and all software programs are also shut down in the process.

Up to 13.5 million Arris modems are at risk of being knocked offline for between three and 30 minutes, because of an easily patchable vulnerability. If you can't find the button, search online for the router model you're using. Most router manuals have a diagram to outline each component. It is a process where computers initiate two processes.

Sponsorship | Contact | About, Complaints/Corrections | Privacy | Terms & Conditions. This site uses Akismet to reduce spam. The reason it’s important to know the difference between restart and reset is that they do two very different things, despite sounding like the same word. We are in the process of working with our Service Provider customers to make this release available to subscribers. Cable Haunt: Hundreds of millions of cable modems may be vulnerable to hijacking attack, Two-factor authentication (2FA) versus two-step verification (2SV). The first is to shut down the computer and then start it again.

For example, you can reset your PC to reinstall Windows from scratch or reset your iPhone to erase all of your settings and apps. Note: Originally this article’s headline and text referred to 135 million Arris modems being at risk from this vulnerable. We talked about this above, but it's important to understand the consequences of confusing these two common terms: For example, if you’re told to “reset the computer after you install the program,” what you’re technically being instructed to do is erase all the software on the computer simply because you installed a new program! This way they have their fun but they also do a service to the victim. Voting machines are under the microscope, scammers are posing as rap stars, and American politician AOC isn't the only one who's been getting into the Among Us game. It might seem silly to distinguish them from each other but among these three terms are actually two entirely separate meanings! Remember that all of these terms refer to the same act of erasing the software: reset, hard reset, factory reset, and restore. Google Podcasts | All of this might sound cryptic and confusing, especially when you throw in variations like soft reset and hard reset, but keep reading to learn what’s really meant by these terms so that you’ll know exactly what’s being asked of you when one of these terms shows up in a troubleshooting guide or someone in Tech Support asks you to do one or the other. He works as Contributing Editor for Graham Cluley Security News and Associate Editor for Tripwire's "The State of Security" blog. Say for example that you’ve forgotten the password to your router. Cable modems are not consumer-upgradable, which means even in the event Arris were to develop a fix, customers would need to wait for their ISPs to push the update to them. What is the point of even trying to use the Internet anymore…. How to break the passcode lock screen on iOS 8 and 9 – but would anyone bother? Support the podcast: So for the past few days my Arris modem has been restarting constantly, Dropping my internet connection, it has become very frustrating as I cant do anything on the internet for more than maybe an hour or so in the evening, Between about 10 am to 6 pm it is fine but around 6 pm it starts doing this, I've done some research on up/downstream power levels and I have been monitoring it for a … Putting a computer into hibernation mode and then shutting it completely down is not the same as a normal shutdown. All Arris needs to do is create a firmware update that does two things: first, requires authentication before someone can use the UI to reboot or reset the modem; and second, verifies that a request originates from the application and not from an external source. Is rebooting the same as restarting? This is the most common method which is used to reset the router. When it’s turned back on, it is getting power. The FCC should fine both Arris and the ISPs for doing jack-squat for nearly three months. Reboot, restart, power cycle, and soft reset all mean the same thing. This means that any customizations you made since you purchased it, like creating a new password (which you forgot) or Wi-Fi network, will be removed as the new/original software takes over. That is an incredibly long time to delay rolling out such an easy fix. Boot: Boot implies that hardware is taken from a non-functional state to an operational one — at least to the extent of being able to accept simple commands. Once the power is returned, you can then open those same software programs, games, files, etc. Not only can attackers reboot and reset the modem themselves. Display a Gravatar image next to my comments. If you’re told to “reboot your computer,” “restart your phone,” “power cycle your router,” or "soft reset your laptop," you’re being told to shut the device off so that it’s no longer getting power from the wall or battery, and then to turn it back on. Soft Reboot vs Hard Reboot vs Restart vs Reset 1] Reboot.

Get the Latest Tech News Delivered Every Day, Why Restarting Something Tends to Fix Most Problems, Here's Why Knowing the Difference Matters, What to Do When Google Home Won't Connect to Wi-Fi, How to Properly Reboot (Restart) a Windows Computer. Update 11 April 2016: Arris has been in touch with a statement: “ARRIS recently addressed the reported GUI access issue with a firmware update.

Learn more{{/message}}, {{#message}}{{{message}}}{{/message}}{{^message}}It appears your submission was successful. The 135 million number is not an accurate representation of the units impacted.”. Interesting to know, as I have one, but I will never get a Comcast firmware flash. All Rights Reserved.

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When you turn the device off, it’s not receiving power.

What Is a Power Button and What Are the On/Off Symbols? There is no risk of access to any user data, and we are unaware of any exploits. The good news is that these flaws are easily patchable in theory. Understanding what “reset” means can be confusing in light of words like “reboot,” “restart,” and “soft reset” because they’re sometimes used interchangeably even though they have two completely different meanings. At this time, Arris has still not created a firmware update… even though Longenecker notified the company of the issues back in January. However, even though the running software is shut down along with the power, neither the software nor the programs you had opened are deleted. Additionally, activity sensitive to network outages (long downloads or remote desktop sessions, for example) may abort.”. It’s literally a wipe-and-reinstall of a system since the only way for a true reset to take place is for the current software to be completely removed.
Many routers can block access to the modems IP address. To reset a device is to put it back in the same state it was in when it was first purchased, often called a restore or factory reset (also a hard reset).

Then the fun would begin. Similarly, simply restarting your smartphone before you sell it to someone certainly isn’t the best decision. What to Do When Google Home Stops Playing Music, How to Reset Your iPad and Erase All Content, How to Turn Safe Mode On and Off On Android. This process might take a few minutes.You can tell whether it’s done by monitoring the lights on your modem—they might blink different colors or in a different pattern while connecting. Port Melbourne Football Club Past Players, To Get Another Company To Do Part Of The Work, Impact Of Single-parent Families On Child Development Pdf, Better At Her Emotional Intelligence Through Self Management, Minimum Water-cement Ratio As Per Is Code. This is because the memory contents aren't flushed out but instead written to the hard drive and then restored the next time you start it back up. Because it's so destructive, a reset isn't something you want to do to your computer or another device unless you really need to. For more details, see our Privacy Policy. Learn how to restart anything with specific instructions on rebooting everything from your computer and phone to your router and printer. You can restart a router, modem, laptop, tablet, smart device, phone, desktop computer, etc.

Computer security news, advice, and opinion. One is much more destructive and permanent than the other, and there are plenty of scenarios where you need to know which action to perform in order to complete a certain task.

This is obviously a mistake and the more correct direction would have been to restart the computer after the installation.

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