D-Link Does Bad Security Again

A security research found 10 “critical” security flaws in a popular D-Link wireless router.  This is not the first time that poor security has painted this company with the ugly stick.  They have previously been sued by the Federal Trade Commission, and we have reported about their deficiencies in this blog.

Security researcher Pierre Kim says the D-Link DIR-850L AC1200 Dual Band Gigabit Cloud router has 10 security vulnerabilities serious enough for him to recommend owners to “immediately disconnect vulnerable routers from the internet”.

These include:

  • No protection for the router’s firmware, allowing an attacker to upload a new image.
  • One version has a hard-coded administrative password
  • Cross-site scripting (XSS) security flaws.
  • Numerous vulnerabilities in cloud protocol implementation
  • Some routers have backdoor access
  • No authentication protecting DNS configuration, which would allow an attacker to rerout your traffic to malicious sites.

Since this router is no longer in production, the likelihood of a firmware upgrade for this device is low.  If you own one of these routers, you should replace it with something newer, better, and not manufactured by D-Link.

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About the Author:

Cybersecurity guru to business owners in the St Paul, Minneapolis, and western Wisconsin area. Computer security and hacking have been a passion of mine since I entered the computer and networking business in 2000. In 2013 I completed a course of study and certification exam to become a Certified Ethical Hacker (CEH). In 2016 I was certified as a Certified Information Systems Security Professional (CISSP). As Senior Cybersecurity Engineer at Computer Integration Technologies, I help our clients experience high levels of computer security, network security, and web site security. In addition to consulting on security products and services, we also conduct security audits, vulnerability assessments and full penetration tests. We also provide Cybersecurity Awareness Training for clients and their employees. We also work with companies and organizations that need to certify compliance with regulations such as PCI-DSS (credit card processing), HIPAA/HITECH (medical records), and GLBA. The views expressed on this Web site are mine alone and do not necessarily represent the views of my employer.

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