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 analyst, pen-tester, trainer, and speaker. Serving small business owners in the St Paul, Minneapolis, and western Wisconsin area since 2001. Cybersecurity and hacking have been a passion of mine since I entered the computer and networking business in 2000. I hold several cybersecurity certifications including Certified Information Systems Security Professional (CISSP), Certified Advanced Security Pratitioner (CASP), and Certified Ethical Hacker (CEH). Other computer industry certifications include A+, Network+ and Microsoft Certified System Engineer (MCSE). As Cybersecurity Analyst at The WyzCo Group, I help our clients experience high levels of security on their computers, networks, and websites. In addition to consulting on security products and services, we also conduct security audits, vulnerability assessments and full penetration tests. 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. We also provide Cybersecurity Awareness Training for clients and their employees. I am a frequent speakers at cybersecurity conferences such as the Minnesota Bloggers Conference, Secure360 Security Conference, the (ISC)2 World Congress, and the ISSA International Conference, and many local community organizations, Chambers of Commerce, SCORE, and several school districts. I have been blogging on cybersecurity since 2008.
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