CVE-2022-40799

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 34%CVSS: 8.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 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)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
34%
EPSS %ILE
98%
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 60× in last 7d / 255× 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 922 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2022-40799?
CVE-2022-40799 is a critical 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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