CVE-2022-40799 — D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
Overview
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.
Vulnerability details
- CVE ID
- CVE-2022-40799
- Vulnerability
- D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
- Vendor
- D-Link
- Affected products
- D-Link: DNR-322L
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2025-08-05
Remediation guidance
CVE-2022-40799 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for D-Link the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2022-40799 — and stay ahead of the next one
CVE-2022-40799 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2022-40799 and other D-Link issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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