CVE-2022-40799

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-08-05), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 31%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
98.1%
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.

Data Freshness Timeline

(refreshed 61× in last 7d / 239× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 440 total refreshes for this CVE.

  1. 2026-07-22 19:40 UTCCISA KEV update
  2. 2026-07-22 19:20 UTCGHSA enrichment
  3. 2026-07-22 15:34 UTCEG score recompute
  4. 2026-07-22 15:33 UTCGHSA enrichment
  5. 2026-07-22 14:06 UTCEPSS rescore
  6. 2026-07-22 11:45 UTCGHSA enrichment
  7. 2026-07-22 07:59 UTCGHSA enrichment
  8. 2026-07-22 04:11 UTCGHSA enrichment
  9. 2026-07-22 00:24 UTCGHSA enrichment
  10. 2026-07-21 20:37 UTCGHSA enrichment
  11. 2026-07-21 16:50 UTCEG score recompute
  12. 2026-07-21 16:50 UTCGHSA enrichment
  13. 2026-07-21 15:23 UTCEPSS rescore
  14. 2026-07-21 15:23 UTCEPSS rescore
  15. 2026-07-21 14:37 UTCCISA KEV update
  16. 2026-07-21 13:03 UTCGHSA enrichment
  17. 2026-07-21 09:15 UTCGHSA enrichment
  18. 2026-07-21 05:27 UTCGHSA enrichment
  19. 2026-07-21 01:39 UTCGHSA enrichment
  20. 2026-07-20 21:51 UTCGHSA enrichment
  21. 2026-07-20 18:04 UTCEG score recompute
  22. 2026-07-20 18:04 UTCGHSA enrichment
  23. 2026-07-20 17:05 UTCEPSS rescore
  24. 2026-07-20 14:17 UTCGHSA enrichment
  25. 2026-07-20 10:30 UTCGHSA enrichment
Show 75 more
  1. 2026-07-20 06:43 UTCGHSA enrichment
  2. 2026-07-20 02:39 UTCGHSA enrichment
  3. 2026-07-19 22:52 UTCGHSA enrichment
  4. 2026-07-19 19:05 UTCGHSA enrichment
  5. 2026-07-19 15:18 UTCGHSA enrichment
  6. 2026-07-19 11:31 UTCGHSA enrichment
  7. 2026-07-19 07:44 UTCGHSA enrichment
  8. 2026-07-19 03:57 UTCEG score recompute
  9. 2026-07-19 03:57 UTCGHSA enrichment
  10. 2026-07-19 02:27 UTCEPSS rescore
  11. 2026-07-19 02:27 UTCEPSS rescore
  12. 2026-07-19 00:09 UTCGHSA enrichment
  13. 2026-07-18 20:22 UTCGHSA enrichment
  14. 2026-07-18 16:35 UTCGHSA enrichment
  15. 2026-07-18 12:47 UTCEG score recompute
  16. 2026-07-18 12:46 UTCGHSA enrichment
  17. 2026-07-18 10:03 UTCEPSS rescore
  18. 2026-07-18 10:03 UTCEPSS rescore
  19. 2026-07-18 08:59 UTCGHSA enrichment
  20. 2026-07-18 05:12 UTCGHSA enrichment
  21. 2026-07-18 01:25 UTCGHSA enrichment
  22. 2026-07-17 21:38 UTCGHSA enrichment
  23. 2026-07-17 17:51 UTCGHSA enrichment
  24. 2026-07-17 14:04 UTCGHSA enrichment
  25. 2026-07-17 10:17 UTCEG score recompute
  26. 2026-07-17 10:17 UTCGHSA enrichment
  27. 2026-07-17 06:30 UTCGHSA enrichment
  28. 2026-07-17 02:43 UTCGHSA enrichment
  29. 2026-07-16 22:56 UTCGHSA enrichment
  30. 2026-07-16 19:09 UTCGHSA enrichment
  31. 2026-07-16 17:04 UTCCISA KEV update
  32. 2026-07-16 15:21 UTCGHSA enrichment
  33. 2026-07-16 11:33 UTCGHSA enrichment
  34. 2026-07-16 07:46 UTCGHSA enrichment
  35. 2026-07-16 03:59 UTCGHSA enrichment
  36. 2026-07-16 00:11 UTCGHSA enrichment
  37. 2026-07-15 20:25 UTCGHSA enrichment
  38. 2026-07-15 16:56 UTCEPSS rescore
  39. 2026-07-15 16:56 UTCEPSS rescore
  40. 2026-07-15 16:49 UTCCISA KEV update
  41. 2026-07-15 16:37 UTCGHSA enrichment
  42. 2026-07-15 15:04 UTCCISA KEV update
  43. 2026-07-15 12:49 UTCGHSA enrichment
  44. 2026-07-15 09:03 UTCGHSA enrichment
  45. 2026-07-15 05:16 UTCGHSA enrichment
  46. 2026-07-15 01:28 UTCGHSA enrichment
  47. 2026-07-14 21:41 UTCGHSA enrichment
  48. 2026-07-14 18:05 UTCCISA KEV update
  49. 2026-07-14 17:54 UTCGHSA enrichment
  50. 2026-07-14 14:04 UTCGHSA enrichment
  51. 2026-07-14 10:17 UTCGHSA enrichment
  52. 2026-07-14 06:30 UTCGHSA enrichment
  53. 2026-07-14 02:42 UTCGHSA enrichment
  54. 2026-07-13 22:56 UTCGHSA enrichment
  55. 2026-07-13 22:28 UTCEPSS rescore
  56. 2026-07-13 19:09 UTCGHSA enrichment
  57. 2026-07-13 17:07 UTCCISA KEV update
  58. 2026-07-13 15:21 UTCGHSA enrichment
  59. 2026-07-13 11:33 UTCGHSA enrichment
  60. 2026-07-13 07:46 UTCGHSA enrichment
  61. 2026-07-13 03:59 UTCGHSA enrichment
  62. 2026-07-13 00:11 UTCGHSA enrichment
  63. 2026-07-12 20:25 UTCGHSA enrichment
  64. 2026-07-12 16:38 UTCGHSA enrichment
  65. 2026-07-12 12:50 UTCGHSA enrichment
  66. 2026-07-12 09:03 UTCGHSA enrichment
  67. 2026-07-12 05:44 UTCEPSS rescore
  68. 2026-07-12 05:16 UTCGHSA enrichment
  69. 2026-07-12 01:29 UTCGHSA enrichment
  70. 2026-07-11 21:42 UTCGHSA enrichment
  71. 2026-07-11 17:55 UTCGHSA enrichment
  72. 2026-07-11 14:07 UTCGHSA enrichment
  73. 2026-07-11 10:20 UTCGHSA enrichment
  74. 2026-07-11 08:25 UTCEPSS rescore
  75. 2026-07-11 08:25 UTCEPSS rescore

Related CVEs(same CWE)

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

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