CVE-2018-6213

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 79.2%
KEV: Not listed

Published

June 20, 2018

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated May 28, 2026

⚠️ Active exploitation confirmed. No patch confirmed yet.

generic🔴 Active Exploitation

Backdoor Account Found in D-Link DIR-620 Routers

https://www.bleepingcomputer.com/news/security/backdoor-account-found-in-d-link-dir-620-routers/

generic

Kaspersky discovered a backdoor account and other issues in D-Link DIR-620 Routers

https://securityaffairs.co/wordpress/72839/hacking/d-link-dir-620-flaws.html

generic

Backdoors in D-Link’s backyard | Securelist

https://securelist.com/backdoors-in-d-links-backyard/85530/

generic

D-Link DIR-620 Routers with Critical Vulnerabilities – Information Security Newspaper | Hacking News

http://www.securitynewspaper.com/2018/05/25/d-link-dir-620-routers-critical-vulnerabilities/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 06:28 UTCEG score recompute
2026-05-28 06:28 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 00:15 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-6213?

CVE-2018-6213 is a critical vulnerability published on June 20, 2018. 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.

When was CVE-2018-6213 disclosed?

CVE-2018-6213 was first published in the National Vulnerability Database on June 20, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-6213 actively exploited?

CVE-2018-6213 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-6213?

CVE-2018-6213 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-6213?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-6213, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-6213

📅 Published

🔄 Last Modified

📋 Advisory Details (4)

Backdoor Account Found in D-Link DIR-620 Routers

Kaspersky discovered a backdoor account and other issues in D-Link DIR-620 Routers

Backdoors in D-Link’s backyard | Securelist

D-Link DIR-620 Routers with Critical Vulnerabilities – Information Security Newspaper | Hacking News

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-6213?

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Advisory Details (4)

Frequently asked(5)

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