What is CVE-2017-14420?

CVE-2017-14420 is a medium-severity vulnerability in Dlink Dir-850l, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-09-13.

How severe is CVE-2017-14420?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Dlink Dir-850l

CVE-2017-14420

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.005 (40.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-14420?: CVE-2017-14420 is a medium-severity vulnerability in Dlink Dir-850l, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-09-13.
How severe is CVE-2017-14420?: Medium severity. CVSS v3 base score is 5.9 out of 10.