What’s Vulnerable › Vulnerabilities

CVE-2017-14420

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-13 · updated 2026-06-17
• Weakness: CWE-295

Description

The D-Link NPAPI extension, as used on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices, does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Affected products

• D-Link DIR-850L and potentially others: through fw114wwb07_h2ab_beta1; through fw208wwb02

References

• https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html
• https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html

Get alerted when CVE-2017-14420 or the next vulnerability affects your stack