THREATPORT/VULNERABILITY/CVE-2022-43109
CRITICAL SEVERITY

CVE-2022-43109

Dir 823g Firmware vulnerability

CVSS
9.8
EPSS
3.7%
EPSS pct
89th
Exploited
No known
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.
Affected vendor
Dlink
Affected product
Dir 823g Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2022-11-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2022-43109

  • Confirm whether Dlink Dir 823g Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-43109.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-43109

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-43109 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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