CVE-2026-4377
Last modified
CVE-2026-4377 is a medium-severity vulnerability rated 6/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
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.
Metrics
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| D-Link Corporation | DWR-X1820 | >= 1.00B14CP, < 1.00B16CP |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-4377?
How severe is CVE-2026-4377?
How do I fix CVE-2026-4377?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-43764An integer overflow was addressed with improved input valida…9.8
- CVE-2026-43765This issue was addressed with improved handling of symlinks.…5.5
- CVE-2026-43766An authorization issue was addressed with improved state man…4.6
- CVE-2026-43767The issue was addressed with improved memory handling. This …5
- CVE-2026-43768The issue was addressed with improved memory handling. This …5.5
- CVE-2026-43769An integer overflow was addressed with improved input valida…9.8
- CVE-2026-43770A race condition was addressed with additional validation. T…4.7
- CVE-2026-43771A stack overflow was addressed with improved input validatio…7.1
- CVE-2026-43772A path traversal issue was addressed with improved input val…8.2
- CVE-2026-43773An out-of-bounds read was addressed with improved bounds che…9.8
- CVE-2026-43774An out-of-bounds read was addressed with improved bounds che…5.5
- CVE-2026-43775An authorization issue was addressed with improved state man…5.5
Are you affected by CVE-2026-4377?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
