CVEs / CVE-2022-40799
CVE-2022-40799: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
- Known exploited in the CISA KEV catalog since 5 Aug 2025
- high 8.8 CVSS 3.1 (NVD)
- EPSS 33.6% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 5 Aug 2025 |
|---|---|
| Due date for US federal agencies | 26 Aug 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-494 |
References
- CVE-2022-40799 on NVD
- CVE-2022-40799 in the CISA KEV catalog
- https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder (cited by CISA)
- https://gitlab.com/lu-ka/cve-2022-40799 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799 US Government Resource
- https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder Product
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.