Actively exploited · Published Nov 29, 2022 · Assigned by mitre
CVE-2022-40799
High 8.8 Exploited
In plain English
A high-severity security flaw in DNR-322L from D-Link. Attackers are actively exploiting it in the wild (listed by CISA on August 5, 2025). The chance it is exploited in the next 30 days is estimated at 33.7% (higher than 98% of all known vulnerabilities). Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Aug 26, 2025.
Official 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.
Affected products (as reported)
Weakness: CWE-494 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H