CVE-2026-4377 Details
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.
A vulnerability exists in the D-Link DWR-X1820 router due to the use of weak default passwords generated from the device's IMEI number. The router does not require users to change this default password, allowing attackers who know the password generation method to easily crack it if they have the IMEI number. This issue affects versions 1.00B14CP prior to 1.00B16CP.
Users can update to D-Link DWR-X1820 version 1.00B16CP to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 28, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert.pl/posts/2026/05/CVE-2026-4377 | [email protected] | |
| https://www.dlink.com/pl/pl/products/dwr-1820-cp#support | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1391 | Use of Weak Credentials | [email protected] |
Affected Products
No affected product data is available for this CVE.
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 28, 2026 | New CVE Received | [email protected] |