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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 56%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 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 PROB
56%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

August 28, 2022

Last Modified

December 10, 2025

Advisory Details (5)

Auto-updated Sep 3, 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 53× in last 7d / 230× 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 743 total refreshes for this CVE.

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