CVE-2022-40799: D-Link DNR-322L Download of Code Without Integrity Check Vulnerability
Vulnerability summary
CVE-2022-40799 is a high (CVSS 8.8) Download of Code Without Integrity Check vulnerability in D-Link DNR-322L. It is known to be exploited: CISA lists it, first on 05-08-2025. EPSS estimates a 33.65% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 29-11-2022PublishedVulnerability first disclosed.
- 05-08-2025Added to CISA KEVD-Link DNR-322L Download of Code Without Integrity Check Vulnerability
- 26-08-2025CISA remediation dueApply mitigations per vendor instructions.
- 21-10-2025Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
33.65%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 33.65% on 19-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 05-08-2025
- Federal due date
- 26-08-2025
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. www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder nvd.nist.gov/vuln/detail/CVE-2022-40799
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dnr-322l_firmware≤ 2.60b15
1 vendor · 1 product
References
3 links- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799Government ResourceUS Government Resource