Is CVE-2022-40799 in the CISA KEV catalog?

Yes. CVE-2022-40799 is on the CISA Known Exploited Vulnerabilities list, added 2025-08-05.

What is the CVSS severity of CVE-2022-40799?

CVE-2022-40799 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-40799?

CVE-2022-40799 has an EPSS score of 31.33% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2022-40799

HIGHCISA KEVEPSS 98th pctl

8.8

CVSS v3

NVD

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.

CWE-494

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

31.33%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

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

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.

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

Remediation due: 2025-08-26

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.