CVE-2021-21816: Infoleak

Published Jul 16, 2021
·
Updated

An information disclosure vulnerability exists in the Syslog functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to the disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability.

Affected Software

2 affected components
Dlink Dir-3040 Firmware=1.13b03
Dlink DIR-3040

Event History

Jul 16, 2021
CVE Published
via MITRE·10:28 AM
Data Sourced
via MITRE·10:28 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2021-21816?

CVE-2021-21816 is an information disclosure vulnerability that exists in the Syslog functionality of D-LINK DIR-3040 1.13B03.

2

How severe is CVE-2021-21816?

CVE-2021-21816 has a severity rating of 4.3 (medium severity).

3

How does CVE-2021-21816 affect D-LINK DIR-3040 firmware 1.13B03?

CVE-2021-21816 can lead to the disclosure of sensitive information when a specially crafted network request is sent to the Syslog functionality.

4

Can CVE-2021-21816 be exploited remotely?

Yes, an attacker can exploit CVE-2021-21816 remotely by sending a malicious HTTP request.

5

How can I fix CVE-2021-21816 in D-LINK DIR-3040 1.13B03?

To fix CVE-2021-21816, it is recommended to update the D-LINK DIR-3040 firmware to a version that addresses the vulnerability.

Contact

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