Router CVE Report Card: Grade Your Router Before You Buy

Over the past few days we published two deep-dive articles analyzing ten full years of CVE (Common Vulnerabilities and Exposures) data across dozens of router manufacturers. The findings were striking enough that we decided not to stop there. This post recaps what we found, explains why it matters to you, and introduces a free tool we built to keep those findings current: the 5Gstore Router CVE Report Card.

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What Is a CVE, and Why Should You Care?

A CVE is an officially recorded security flaw in a piece of hardware or software. Think of it like a recall notice on your car. When an automaker discovers a defective brake system, they issue a recall and fix it. Router manufacturers are supposed to do the same thing when a security researcher or their own team finds a vulnerability.

The difference is that some CVEs are minor inconveniences while others are rated High or Critical. A Critical CVE can mean that someone sitting in another country can remotely take control of your router, redirect your traffic, intercept your banking credentials, or conscript your device into a botnet used to attack other services. These are not theoretical risks. They happen regularly, and the routers most likely to be exploited are the cheap consumer devices people buy at big-box electronics stores or receive for free from their ISP.

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What Our 10-Year Analysis Found

Our first article, Router Security by the Numbers: 10 Years of CVE Data, walked through raw vulnerability counts across a wide range of manufacturers, from household consumer names to enterprise-grade brands. The contrast was difficult to ignore.

Consumer-facing brands that compete primarily on price showed significantly higher CVE counts. TP-Link logged 4,488 total CVEs across the decade. ASUS came in at 2,334. Netgear reached 1,332. These are devices sold by the millions to home users and small businesses, often running unpatched firmware for years after purchase because the owner never knew an update existed.

Our second article, Router Security: CVE Analysis Shows Clear Enterprise Advantage, dug into why the numbers look so different on the enterprise side. Manufacturers like Peplink, Cradlepoint, Teltonika, Inseego, Digi, Semtech, and Katalyst showed remarkably low CVE counts, and the reasons go beyond coincidence:

• Dedicated security teams that treat vulnerabilities as mission-critical business issues, not afterthoughts
• Rigorous firmware development cycles with security review built in at each stage
• Business customer pressure that demands compliance with standards like FIPS 140-2/3
• Lower production volumes that allow for more focused quality control and faster patch deployment

A note on Cisco: their total of 6,736 CVEs looks alarming until you consider that Cisco is the largest networking equipment company in the world, with a product portfolio spanning decades. What actually matters is how fast and how consistently they patch, and their track record on that front is strong. Volume without context is misleading, which is exactly why we built a tool that lets you look deeper.

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Company Age Matters Too

One of the dimensions we are actively adding to the Report Card is company founding data, including the year the manufacturer was established and the country where it was founded. This context changes how you interpret the numbers significantly.

Cradlepoint was founded in 2006 and has recorded just 2 CVEs across its entire history. That is a company with nearly two decades of enterprise networking experience and a remarkably clean security record. Katalyst, which was founded just last year, has zero CVEs. That is a very young company with nothing to patch yet, which is a different situation from a mature company that has kept its count low through disciplined engineering.

Understanding when a company was founded, where it operates from, and how its CVE count trends over time gives you a much richer picture than a single number. We will be rolling that data into the Report Card in the coming weeks.

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One More Critical Point: Not Every CVE Affects Your Device

This is something people often miss. A manufacturer may have 50 CVEs on record, but if 45 of them apply to product lines you do not own, your actual exposure is much lower. Before you act on any CVE data, it is worth clicking through to the individual CVE records to confirm whether the specific vulnerability applies to your hardware model and firmware version. Our searchable database at https://RouterCVE.com/ makes this easy to do.

5Gstore Take

We have been selling and supporting enterprise cellular routers from Peplink, Cradlepoint, Teltonika, Inseego, Digi, Semtech, and Katalyst for years, and the CVE data confirms what we see in the field every day. Enterprise manufacturers take security seriously because their customers demand it. Consumer brands are built to a price point, and security is often the first thing trimmed to hit that number.

If you are a business relying on cellular connectivity, a fleet operator, or simply someone who has learned enough about router security to be concerned, the Report Card exists for you. Use it. Share it. And if you have questions about which router is the right fit for your environment, reach out to our team. We are happy to walk through the data with you and help you make the right call.

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Frequently Asked Questions