Is CVE-2017-14423 in the CISA KEV catalog?

No. CVE-2017-14423 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-14423?

CVE-2017-14423 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-14423?

CVE-2017-14423 has an EPSS score of 1.01% (59th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-14423?

Upgrade dir-850l firmware to fw114wwb07_h2ab or later.

CVE & CISA-KEV Catalog

CVE-2017-14423

HIGH

7.5

CVSS v3

NVD

Description

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.

CWE-307

How to fix

Remediation Available

dir-850l firmwareNVD

Affected:< fw114wwb07_h2abFixed in:fw114wwb07_h2abCVE-2017-14423derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

1.01%probability of exploitation in 30 days

59thpercentile

Moderate risk: more likely to be exploited than 59% of all known CVEs.

References

Exploit1

pierrekim.github.io

Related Vulnerabilities

Other CWE-307 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17240	Critical	9.8	40%	-	-
CVE-2023-29301	High	7.5	29%	-	-
CVE-2023-22960	High	7.5	28%	-	Fix
CVE-2020-15906	Critical	9.8	27%	-	Fix
CVE-2016-9361	Critical	9.8	20%	-	-
CVE-2024-39225	Critical	9.8	15%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.