CVE-2022-40799

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-08-05. Federal remediation due 2025-08-26.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

31.72% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.1% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-11-29 00:00Z3 YR AGO

Last updated

2025-10-21 23:15Z10 MO AGO

Reserved

2022-09-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-494Download of Code Without Integrity CheckBase

Data version

5.1

Document digest

7f2ff4faea6127f01025fc63fc0fac73ffab1c8bd3b6032a1c5025fde5e92a6c

• gitlab.comhttps://gitlab.com/lu-ka/cve-2022-40799
• www.dlink.comhttps://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorderproduct
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799government-resource