CVE-2021-21817 Information disclosure in D-Link

High 7.5 Published Updated

An attacker can send crafted network requests to the D-Link DIR-3040 router to disclose sensitive information via the IP Routing Manager.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-21817?

CVE-2021-21817 is a high-severity vulnerability in D-Link, published on 16 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An information disclosure vulnerability exists in the Zebra IP Routing Manager 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 a sequence of requests to trigger this vulnerability.

Weakness: CWE-200

Which versions are affected by CVE-2021-21817?

It affects 1 product.

Products include Dlink Dir-3040 Firmware.

How do I fix CVE-2021-21817?

No fix has been published for CVE-2021-21817 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-21817 being exploited?

There is no known exploitation of CVE-2021-21817 in the wild and no public exploit code.

Sources

Also known as GHSA-276x-48pw-fmh3.

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