CVE-2022-37055

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-12-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 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
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 57%CVSS: 9.8Exploit: NoneExposed: 0

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

D-Link Go-RT-AC750 GORTAC750_revA_v101b03 and GO-RT-AC750_revB_FWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
99.0%
KEV
⚠ Exploited

Published

August 28, 2022

Last Modified

December 10, 2025

Advisory Details (5)

Auto-updated May 25, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic🔴 Active Exploitation

D-Link Multiple Devices Attack | Outbreak Alert | FortiGuard Labs

https://www.fortiguard.com/outbreak-alert/d-link-multiple-devices-attack
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-2022-37055
generic

Security Bulletin | D-Link

https://www.dlink.com/en/security-bulletin/
generic

hnap buffer overflow.pdf - Google Drive

https://drive.google.com/file/d/1hmIk0jQoex4QDyjIUg_6yxi-J6ROCh8S/view?usp=sharing
generic

D-Link Technical Support

https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10308

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 48× in last 7d / 211× 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 401 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2022-37055?
CVE-2022-37055 is a critical vulnerability published on August 28, 2022. D-Link Go-RT-AC750 GORTAC750revAv101b03 and GO-RT-AC750revBFWv200b02 are vulnerable to Buffer Overflow via cgibin, hnap_main,
When was CVE-2022-37055 disclosed?
CVE-2022-37055 was first published in the National Vulnerability Database on August 28, 2022, with the most recent update on December 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-37055 actively exploited?
Yes. CISA added CVE-2022-37055 to the Known Exploited Vulnerabilities catalog on December 8, 2025, affecting D-Link Routers. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-37055?
CVE-2022-37055 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-37055?
CVE-2022-37055 affects D-Link Routers. 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-2022-37055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-37055, 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.

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