CISA-confirmed known exploited vulnerability

CVE-2022-40799

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

D-Link · DNR-322L

Vulnerability details

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 CISA KEV: 2025-08-05

Ransomware campaign use: Unknown

CISA due date: 2025-08-26

Defensive guidance from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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