CVE-2018-6213

In the web server on D-Link DIR-620 devices with a certain customized (by ISP) variant of...

9.8 Critical

In the web server on D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, there is a hardcoded password of anonymous for the admin account.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.31%Up 2.2 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-6213
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-798
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-6213
Updated: 2026-11-02

EUVDEUVD-2018-17974 No score

Record: EUVD-2018-17974
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4xfh-7qvx-mp6f 9.8

In the web server on D-Link DIR-620 devices with a certain customized (by ISP) variant of...

Record: GHSA-4xfh-7qvx-mp6f
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-798
Updated: 2026-11-02

Affected products

d-link dir-620 firmware

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6213 is a critical vulnerability (CVSS 9.8) in D-link Dir-620 Firmware, published June 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.31%, the 88th percentile. No source names a fixed version.