Vulnerability record

CVE-2022-40799

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

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run DNR-322L, fix it now.

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

US federal civilian agencies must remediate by Aug 26, 2025.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorSource
DNR-322LD-LinkKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2022-40799 scored CVSS 8.8: D-Link DNR-322L, D-Link DNR-322L Download of Code Without Integrity Check Vulnerability

    CISA lists this as exploited in the wild. Unpatched DNR-322L systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • dlink.com https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2022-40799
  • gitlab.com https://gitlab.com/lu-ka/cve-2022-40799
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799