Is CVE-2022-43000 actively exploited?

No active exploitation of CVE-2022-43000 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-43000 be exploited remotely?

Yes. CVE-2022-43000 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-43000?

CVE-2022-43000 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-43000

CWE-787Published: October 26, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

D-Link DIR-816 A2 1.10 B05 was discovered to contain a stack overflow via the wizardstep4_pskpwd parameter at /goform/form2WizardStep4.

NVD Source

Risk Analysis

This vulnerability is a stack overflow in D-Link DIR-816 firmware caused by improper handling of the wizardstep4_pskpwd parameter. With a CVSS score of 9.8, it is considered critical because it allows unauthenticated remote attackers to achieve full system compromise.

There is no known public exploit for this vulnerability, and it is not currently listed in CISA's KEV catalog. It is remotely exploitable due to the network-based attack vector and low complexity.

Recommended Action

Users should update to a patched firmware version if available. Ensure the device is not exposed directly to the internet to reduce the attack surface.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-43000 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.