What is CVE-2017-14423?

CVE-2017-14423 is a high-severity vulnerability in Dlink Dir-850l, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2017-09-13.

How severe is CVE-2017-14423?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Dlink Dir-850l

CVE-2017-14423

htdocs/parentalcontrols/bind.php on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) devices does not prevent unauthenticated nonce-guessing attacks, which makes it easier for remote attackers to change the DNS configuration via a series of requests.

Published 2017-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Dlink Dir-850l
Dlink Dir-850l Firmware — versions fw114wwb07_h2ab

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilit… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-14423?: CVE-2017-14423 is a high-severity vulnerability in Dlink Dir-850l, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2017-09-13.
How severe is CVE-2017-14423?: High severity. CVSS v3 base score is 7.5 out of 10.