CVE-2022-43622

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of Login requests to the web management portal. When parsing the HNAP_AUTH header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16139.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.35%
Vendor Advisory dlink.com
Affected: D-Link DIR-1935
Published at:
Updated at:

References

Link Tags
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310 patch vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1491/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-43622?
CVE-2022-43622 has been scored as a high severity vulnerability.
How to fix CVE-2022-43622?
To fix CVE-2022-43622, 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-2022-43622 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-43622 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43622?
CVE-2022-43622 affects D-Link DIR-1935.
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