CVE-2026-4377

Use of Weak Credentials in D-Link DWR-X1820 router

Published May 28, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Description
Dlink DWR-X1820 router uses weak default password generated from its IMEI number and does not require users to change it. An attacker who knows how passwords are generated can easily crack the default password if they have the device IMEI number.

This issue was fixed in version 1.00B16CP.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared D-link
D-link dwr-x1820
Vendors & Products D-link
D-link dwr-x1820
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Dlink DWR-X1820 router uses weak default password generated from its IMEI number and does not require users to change it. An attacker who knows how passwords are generated can easily crack the default password if they have the device IMEI number. This issue was fixed in version 1.00B16CP.
Title Use of Weak Credentials in D-Link DWR-X1820 router
Weaknesses CWE-1391
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
May 28, 2026, 12:02 PM
Reserved
Mar 18, 2026, 12:46 PM
Status
Awaiting Analysis
Published
May 28, 2026, 10:16 AM
Modified
Oct 26, 2026, 11:10 AM