CVE-2026-30701: Critical severity TP-Link WiFi Extender WDR201A vulnerability

Published Mar 18, 2026
·
Updated

The web interface of the WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02) contains hardcoded credential disclosure mechanisms (in the form of Server Side Include) within multiple server-side web pages, including login.shtml and settings.shtml. These pages embed server-side execution directives that dynamically retrieve and expose the web administration password from non-volatile memory at runtime.

Affected Software

1 affected component
TP-Link WiFi Extender WDR201A

Event History

Mar 18, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-30701?

CVE-2026-30701 is considered to have a high severity due to the hardcoded credential disclosure vulnerabilities that expose sensitive information.

2

How do I fix CVE-2026-30701?

To mitigate CVE-2026-30701, users should ensure they are using the latest firmware version from TP-Link that addresses the hardcoded credentials.

3

What systems are affected by CVE-2026-30701?

CVE-2026-30701 specifically affects the TP-Link WiFi Extender WDR201A with the hardware version V2.1 and firmware version LFMZX28040922V1.02.

4

What kind of vulnerability is CVE-2026-30701?

CVE-2026-30701 is a vulnerability that involves hardcoded credentials and server-side include directives in the web interface of the device.

5

Can CVE-2026-30701 lead to unauthorized access?

Yes, CVE-2026-30701 can potentially lead to unauthorized access as it exposes hardcoded credentials through the web interface.

Contact

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