CVE-2022-40799
Published 2022-11-29 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2022-40799 is a high-severity (CVSS 8.8) vulnerability in D-Link DNR-322L. CISA added it to the Known Exploited Vulnerabilities catalog on August 5, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by August 26, 2025. CISA does not currently list it as used in ransomware campaigns. D-Link has 26 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 26 known-exploited D-Link vulnerabilities →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 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: D-Link — DNR-322L
Name: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
Date added: 2025-08-05 · Due: 2025-08-26
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.