CVE-2021-33259 Missing authorization in n/a

Medium 5.3 Published Updated

Attackers can access web interfaces without authentication to obtain users' DNS query history on D-Link DIR-868LW routers.

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-2021-33259?

CVE-2021-33259 is a medium-severity missing authorization vulnerability in n/a, published on 31 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.

Weakness: CWE-306

Which versions are affected by CVE-2021-33259?

It affects 1 product.

Products include D-Link Dir-868lw Firmware.

How do I fix CVE-2021-33259?

No fix has been published for CVE-2021-33259 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-33259 being exploited?

There is no known exploitation of CVE-2021-33259 in the wild and no public exploit code.

Sources

Also known as GHSA-pvrv-v6wr-f2vv.

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