What’s Vulnerable › Vulnerabilities

CVE-2017-14423

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-13 · updated 2026-06-17
• Weakness: CWE-307

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.

Affected products

• D-Link DIR-850L and potentially others: before fw114wwb07_h2ab; fw114wwb07_h2ab-beta1 — fixed in fw114wwb07_h2ab

How to fix

Upgrade to a fixed version: D-Link DIR-850L and potentially others fw114wwb07_h2ab. Check the vendor advisory for mitigations.

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

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