Is CVE-2022-43109 actively exploited?

No active exploitation of CVE-2022-43109 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-43109 be exploited remotely?

Yes. CVE-2022-43109 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-43109?

CVE-2022-43109 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-43109

CWE-77Published: November 3, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

D-Link DIR-823G v1.0.2 was found to contain a command injection vulnerability in the function SetNetworkTomographySettings. This vulnerability allows attackers to execute arbitrary commands via a crafted packet.

NVD Source

Risk Analysis

This vulnerability involves a command injection flaw in the D-Link DIR-823G router. With a CVSS score of 9.8, it is considered critical as it allows unauthenticated remote attackers to execute arbitrary commands, though it is not currently listed in CISA's KEV catalog.

There is no known public exploit for this vulnerability, but it is remotely exploitable with low attack complexity.

Recommended Action

Users should check for and apply the latest firmware updates provided by D-Link for the DIR-823G.

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-2022-43109 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.