CVE-2022-40799

HIGHNVD 8.89.0▲Trending — 4 sources updated this weekExploited in the wild

8.8

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 v3: 8.8
EG Score: 9.0(high)
EPSS: 98.0%
KEV: ⚠ Exploited

Published

November 29, 2022

Last Modified

November 3, 2025

Advisory Details (3)

Auto-updated Jun 1, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

generic

DNR-322L Cloud Network Video Recorder | D-Link UK

https://www.dlink.com/uk/en/products/dnr-322l-cloud-network-video-recorder

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40799

generic

Manu / CVE-2022-40799 · GitLab

https://gitlab.com/lu-ka/cve-2022-40799

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-494Download of Code Without Integrity Check

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 20:05 UTCEG score recompute
2026-06-03 20:05 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 16:18 UTCEG score recompute
2026-06-03 16:18 UTCGHSA enrichment
2026-06-03 12:31 UTCEG score recompute
2026-06-03 12:31 UTCGHSA enrichment
2026-06-03 08:44 UTCEG score recompute
2026-06-03 08:44 UTCGHSA enrichment
2026-06-03 04:57 UTCEG score recompute
2026-06-03 04:57 UTCGHSA enrichment
2026-06-03 01:10 UTCEG score recompute
2026-06-03 01:10 UTCGHSA enrichment
2026-06-02 21:22 UTCEG score recompute
2026-06-02 21:22 UTCGHSA enrichment
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 18:32 UTCkev_newly_listed
2026-06-02 17:34 UTCEG score recompute
2026-06-02 17:34 UTCGHSA enrichment

Frequently asked(6)

What is CVE-2022-40799?

CVE-2022-40799 is a high vulnerability published on November 29, 2022. 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.

When was CVE-2022-40799 disclosed?

CVE-2022-40799 was first published in the National Vulnerability Database on November 29, 2022, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-40799 actively exploited?

Yes. CISA added CVE-2022-40799 to the Known Exploited Vulnerabilities catalog on August 5, 2025, affecting D-Link DNR-322L. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

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

CVE-2022-40799 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2022-40799?

CVE-2022-40799 affects D-Link DNR-322L. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2022-40799?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40799, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-40799

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