Is CVE-2021-42627 actively exploited?

No active exploitation of CVE-2021-42627 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-42627 be exploited remotely?

Yes. CVE-2021-42627 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-42627?

CVE-2021-42627 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-42627

CRITICAL

CVE-2021-42627

NVD-CWE-OtherPublished: August 23, 2022· Updated: Jul 9, 2026

9.8

CVSS v3.1

Official Description

The WAN configuration page "wan.htm" on D-Link DIR-615 devices with firmware 20.06 can be accessed directly without authentication which can lead to disclose the information about WAN settings and also leverage attacker to modify the data fields of page.

NVD Source

Risk Analysis

D-Link DIR-615 devices allow unauthenticated access to the WAN configuration page, enabling attackers to view and modify sensitive network settings. This critical vulnerability is remotely exploitable and carries a 9.8 CVSS score.

There is no known public exploit for this vulnerability, and it is not in the KEV catalog.

Recommended Action

Users should update the device firmware to a version that requires authentication for configuration pages or restrict access to the management interface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-42627 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.