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CVE-2022-40799

D-Link DNR-322L Download of Code Without Integrity Check

8.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 33.7%
  1. Published29 Nov 2022
  2. Added to CISA KEV5 Aug 2025
  3. Remediation due26 Aug 2025
Actively exploited (CISA KEV)

D-Link DNR-322L contains a download of code without integrity check vulnerability that could allow an authenticated attacker to execute OS level commands on the device. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

Added to KEV: 5 Aug 2025Federal remediation due: 26 Aug 2025

Description

Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the device.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dnr-322l Firmware≤ 2.60b15

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2022-40799 being actively exploited?

Yes. CVE-2022-40799 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 5 Aug 2025.

How severe is CVE-2022-40799?

CVE-2022-40799 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 33.7% probability of exploitation.

Which products are affected by CVE-2022-40799?

Affected products include D-Link Dnr-322l Firmware.

How do I fix CVE-2022-40799?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-40799 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.