CVE-2022-43648

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 1.20B03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the MiniDLNA service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the MiniDLNA service. Was ZDI-CAN-19910.

References

Link	Tags
https://www.zerodayinitiative.com/advisories/ZDI-23-052/	vdb entry third party advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10322	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-43648?: CVE-2022-43648 has been scored as a high severity vulnerability.
How to fix CVE-2022-43648?: To fix CVE-2022-43648, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-43648 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-43648 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43648?: CVE-2022-43648 affects D-Link DIR-3040.

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Description

Category

CWE-122 – Heap-based Buffer Overflow

References

Frequently Asked Questions