While the primary focus was on bad modems featuring the Puma 6 chipsets, we also included the ones with Intel Puma 7 CPUs. The best modem for sale that can be provisioned at full speeds — if the Spectrum techs are extra nice — is the Motorola – MB8600. If you’ve got an Intel-Inside modem, and you don’t have any trouble with your internet connection, you shouldn’t worry about it. This modem comes with support for running Spectrum’s telephone service. However, companies are rolling out the firmware updates as a very slow pace. Written byKurt Twain posted on January 18, 2021 2 Comments. This one is standard-issue for new subscribers in our area, and works well in almost every way. Sophisticated algorithms decide which users get priority when all of your neighbors are trying to stream movies and download game updates at the same time, but it can be slower than DSL. Most of the recommended modems we spotted on lists will work fine, but they’re fairly old. Intel puma 6 chipset Making any issues in this arris sbg 7600 modem router ??? DLSReports users have also put together an online page where other cable modem … For internet connection speeds, the C7000 is the newest modem/router combo that has been certified by Spectrum for 400 mbps “ultra” service, but the C7800 is a newer non-approved Netgear modem-router combo that supports the more efficient DOCSIS 3.1 protocols. When Spectrum is giving you the modem for free there’s not much reason to even think about this kind of hardware, and at that price all our network administrator friends say they’d look at plugging in separate, more robust Ubiquiti or Cisco Wi-Fi solutions anyhow. Both Arris and Puma accepted the issues and defects but did nothing in regard to solving the issue. Save my name, email, and website in this browser for the next time I comment. Initially, it was the gamers identifying this issue, upon encountering lags. The question: I have my eye on the Motorola MT7711, A 24x8 Docsis 3.0 cable modem router with voice. Pretty much any modem that has the "Intel Inside" sticker. A Chipzilla spokesperson confirmed to The Register on Tuesday that a TCP/UDP latency issue that makes home and business gateways powered by Puma 6 processors trivial to knock offline is also present in the Puma 5 and Puma 7 … A series of very many small TCP packets can be … If you’re a Spectrum subscriber on a lower speed tier like 100 mbps, you may get a good, reliable modem like the Technicolor – DPC3216 that Spectrum provided to us. The bug has to do with exhausting an internal lookup table. The Puma 6 chipset is used in a number of ISP-branded cable modems, including some Xfinity boxes supplied by Comcast in the US and the latest Virgin Media hubs in the UK. the Puma 5 family has a ready-to-implement chipset with a configuration adapted to the requirements of the narrow segments that make up the cable marketplace. Hitron Technologies Americas will use this week’s SCTE Cable-Tec Expo in New Orleans to trot out the CODA, a DOCSIS 3.1-based cable modem that’s powered by Intel’s Puma 7 chipset. Also like the Arris, this modem isn’t certified by Spectrum to bond more than 16 channels or use DOCSIS 3.1 protocols, and as of the time of our testing, it’s vulnerable to the Cable Haunt exploit. A series of very many small TCP packets can be … When connecting 24 channels (new modems could potentially bond up to 32 channels) Spectrum can send data in some areas at more than 900 million bits per second (“mbps”), compared to the 25 mbps limit from DSL providers where our tester lives. That said, even your internet provider can cause these issues and that’s why, it is necessary to perform detailed diagnostics before blaming the internet equipment. It works great at up to 400 mbps (Spectrums middle “Ultra” speed tier) and has most of the home Wi-Fi features we were hoping for, though newer Wi-Fi 6 routers will someday offer better transfer speeds between new devices. Spectrum approval: If your modem isn’t on Spectrum’s list, you might not be able to get the speeds you pay for. Below is a list of cable modems with Puma 6 chipsets that users reported with latency issues. The newest Wi-Fi hardware can deliver higher theoretical maximum speeds between devices, though AC1900 is more than fast enough to serve internet content — the bottleneck for downloads and streaming video is always going to be your connection through the modem itself. The companies under the scanner were Linksys, Hitron, Cisco, and Netgear. According to Intel, the issue impacted a family of DOCSIS modems and gateways that were powered by the Puma 5, Puma 6 and Puma 7 series of chips. There’s a hitch, though: The 8600 hasn’t actually been approved for full 940 mbps speeds it should be capable of, only the “Ultra” tier at 400mbps. But if you’re going to purchase a modem, you should consider getting something that will work if you upgrade your service. But you have to be targeted for it to be an issue and is only really a problem if you do "fast twitch" gaming activities while targeted. It's not using the latest technology, though, and won't work at Spectrum's fastest speed offerings. The MB8600 doesn’t have the bugs or vulnerabilities many other DOCSIS 3.1 modems suffer from. Several factors that stem from the Puma 6 chip. Intel’s modem chipset line has been plagued with issues ranging from packet loss to security vulnerabilities. ARRIS CM3200 ARRIS DG1642 ARRIS DG1660 ARRIS DG1662 The modem only does one thing: connecting your home network (usually through a router) with the cable company’s servers over a set of provisioned channels on your neighborhood’s cable feed. If you use a non-Spectrum modem, you’ll either have to settle for the 400 mbps speed tier (which is still more than fast enough for most users) or beg the technician on the other end of your service call to please provision the full 940 mbps speeds on a not-technically-approved-but-fully-capable DOCSIS 3.1 modem like the Motorola – MB8600. A modem using Intel's Puma 6 chipset can be overloaded and virtually knocked offline by a small amount of incoming data. None of our reviews are sponsored. The “Cable Haunt” vulnerability, which allows hackers to send commands to the modem, is not on Spectrum’s priority list. Thanks to the network security experts and forum users, who tests a lot of internet equipment. Intel’s Puma 6 chipset included in several cable modems is defective as it allows high spikes in network latency quite often (slow web page loading, for example). Your local Spectrum warehouse may only have the Hitron modems. First detailed in December 2016, the vulnerability dates back to Puma's Texas Instrument days, but more recently it had shown up in the Puma 5 chipset and Puma 6 and 7 SoCs built and marketed by Intel. If you really want one box to handle all of your home internet needs, the Netgear – Nighthawk C7000 has your bases covered for Basic and Ultra speed tiers on the Spectrum cable system. If you’re not as lucky, you may get a modem with a PUMA chipset. Arris has made a change which was very much needed in its hardware of surfboard sb8200 from the Intel Puma 6 chipset (in the sb6190 modem) to the Broadcom BCM3390 chipset. Best Combo Modem-Router: Netgear - Nighthawk C7000. If you’re subscribing to Spectrum’s top-speed “Gig” service, using the modem they give you will probably make the most sense, since they’re currently the only modems approved for full 940 mbps speeds. Vulnerabilities included driving the modem offline via low-bandwidth streams. Here is the complete list of faulty modems that we must refrain from. Especially if it has a PUMA 6 chipset. Spectrum buys modems from at least three suppliers: The Technicolor – E31T2V1 and Ubee – E31U2V1 both use the Broadcom 3390 chipset, while the E31N2V1 model from Hitron uses the dreaded Intel PUMA 7 chipset. This is a major leap ahead of the C7000, but expect at least a $400 sticker price. In certain cases, even one percent of the requisite bandwidth resulted in modem crash. The Intel PUMA 6 has been listed with a big warning “Do Not Buy” (it has been found to be "defective" by identified security vulnerabilities and is currently in a class-action lawsuit battle). We decided to test only non-PUMA modems. My Setup (Cable 1Gbps/50Mbps)>CM1200 v2.02.03(LAG Disabled)>RBK853 v3.2.17.12 The major one under consideration was the performance loss. I was seeking a (non-wireless) modem that will last me a while, powerful, and customizable. Most users would be better off sticking with Spectrum’s modem and buying a less-expensive separate Wi-Fi router. The modem’s Intel Puma 5 chipset is recognized for delivering excellent speeds. Therefore, as part of the remedial plan, authorities instructed the company to refund the full modem value, in case the user ends up getting a defective piece. - Release a pro version of the Home Hub 3 with a different chipset tailored for gamers. Are there any Fixes to The PUMA 6 Chipset Issue? This is known as the “Cable Haunt” exploit, and while it’s well-known among security researchers Spectrum doesn’t seem to be paying much attention to it. Calls for comment on Spectrum’s user web forum haven’t been answered, either. Apparently, the Puma … The Intel PUMA 6 has been listed with a big warning “Do Not Buy” (it has been found to be "defective" by identified security vulnerabilities and is currently in a class-action lawsuit battle). We’ll earn a small referral fee, if you make a purchase using our affiliate links. Intel’s PUMA chipset line is used in many modems, but it has a flaw in the hardware design that causes significant, intermittent latency (“lag” or “jitter”) as well as lost packets of data and even some security concerns. The Technicolor – E31T2V1 is one of the modems Spectrum provides to new subscribers getting Ultra (400 mbps) speeds or faster. The bug that first showed up on the Puma 5 chipset is also causing latency problems on the Puma 6 and 7 chipsets..Puma 6 and 7 use the x86 atom cores vs the arm11 in Puma 5 so it could be a the dedicated packet-handling electronics wrapped around the CPU coress or a firmware code shared across the platforms causing the issue. If you know your way around a router control panel, you can simply block ports. Puma 6 has same resources, but 16 downstream channels. Join our newsletter to get notified of the best products available for your home. There are the Arris Surfboard SB6190, the Hitron CGNV4, and the Compal CH7465-LG. This field is for validation purposes and should be left unchanged. Not just the more demanding activities but even basic online interactions get thwarted due to the existing vulnerabilities. Spectrum will only test and deploy software updates and bug fixes for approved modems. Linksys CG6350. Intel Puma 6 chipsets had bugs, responsible for throttling speed of operations. While the old Motorola cable modem team is still with Arris, their rights to use the Motorola name expired in 2015, and the new licensee is Zoom Telephonics. The biggest flaw we found in the DPC3216 is the Cable Haunt security vulnerability common to modems more than a few years old, which we detail below. -Scrap the Puma chipset line altogether in favour of any other better chipset for the Home Hub 4. Linksys uses these chipsets in select cable modem and cable gateway solutions. We’re happy to say that the C7000 we tested is not vulnerable to the Cable Haunt exploit, as many Netgear modems on Spectrum’s networks are reported to be. We found some evidence that Spectrum has only patched certain modems in the wake of a newer bug discovered by a team of Danish security researchers dubbed “Cable Haunt.” We reached out to Spectrum to get a conclusive response on their approach to dealing with vulnerabilities like this (detailed below), but we only recommend modems that have been patched against this exploit for our top picks. Spectrum isn’t using the newest protocols in all areas, and when it rolls them out, an older modem will still work at slower speeds. However, cable today has grown beyond simple broadband devices. Motorola modems have a long history of being some of the best in the business, but it’s important to note that the Motorola modems of today aren’t made by the same company that made the incredibly successful “SURFboard” models. Puma 5 Family of DOCSIS* 3.0 Cable Chipsets The Puma 5 family of cable modem, Embedded Multimedia Terminal Adapter (EMTA), set-top box (STB), and gateway chipsets provides a flexible and scalable platform on which equipment manufacturers can build systems for compelling next-generation video, voice, and data service offerings. Here is the list of all the residential and business modems with Intel chipset, including the Puma 7. The question: I have my eye on the Motorola MT7711, A 24x8 Docsis 3.0 cable modem router with voice. Secondly, the latest batch of Intel chips has new bugs with even more dramatic vulnerabilities. The Arris modem I then purchased, is the Surfboard 8200 and has proven to be 100% stable! FHCE2712 (SR31F), FHCE2712M (SR31G) - Intel Puma 7 Family SoC - Home … So, unlike the CM700 and similar Puma 6 based modems, the chipset inside CM600 is truly "mid split-ready" should ISPs ever widen the upstream pipe and tap the 8 bonded channels capability of these Broadcom based modems? This means that information you receive over the internet might be delayed (100's of milleseconds). Home Size: 1,360 Sqft. A faulty modem can hinder your online experience while making you prone to threats and vulnerabilities.
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