CVE-2026-4737

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

Use After Free vulnerability in No-Chicken Echo-Mate (‎SDK/rv1106-sdk/sysdrv/source/kernel/mm modules). This vulnerability is associated with program files rmap.C‎.

This issue affects Echo-Mate: before V250329.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
0.5%
KEV
Not listed

Published

March 24, 2026

Last Modified

April 30, 2026

Advisory Details (1)

Auto-updated Apr 30, 2026
No patch confirmed yet.
generic

Fix potential vulnerability in cloned code by manh-td · Pull Request #9 · No-Chicken/Echo-Mate · GitHub

https://github.com/No-Chicken/Echo-Mate/pull/9

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 23× 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.

  1. 2026-07-20 17:08 UTCEPSS rescore
  2. 2026-07-17 07:16 UTCOSV refresh
  3. 2026-07-16 17:03 UTCEPSS rescore
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-15 16:57 UTCEPSS rescore
  6. 2026-07-13 22:31 UTCEPSS rescore
  7. 2026-07-13 06:13 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 08:27 UTCEPSS rescore
  11. 2026-07-11 08:27 UTCEPSS rescore
  12. 2026-07-08 15:16 UTCEPSS rescore
  13. 2026-07-07 13:46 UTCEPSS rescore
  14. 2026-07-06 16:27 UTCEPSS rescore
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-24 14:05 UTCEPSS rescore
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-18 17:52 UTCEPSS rescore
  25. 2026-06-18 17:52 UTCEPSS rescore
Show 48 more
  1. 2026-06-17 17:53 UTCEPSS rescore
  2. 2026-06-15 17:49 UTCEPSS rescore
  3. 2026-06-15 17:49 UTCEPSS rescore
  4. 2026-06-14 23:18 UTCEPSS rescore
  5. 2026-06-13 23:00 UTCEPSS rescore
  6. 2026-06-12 23:12 UTCEPSS rescore
  7. 2026-06-12 23:12 UTCEPSS rescore
  8. 2026-06-11 23:35 UTCGHSA enrichment
  9. 2026-06-11 14:00 UTCEPSS rescore
  10. 2026-06-10 22:19 UTCEPSS rescore
  11. 2026-06-10 17:31 UTCGHSA enrichment
  12. 2026-06-10 13:22 UTCEPSS rescore
  13. 2026-06-10 05:29 UTCGHSA enrichment
  14. 2026-06-09 16:05 UTCGHSA enrichment
  15. 2026-06-08 14:44 UTCGHSA enrichment
  16. 2026-06-08 14:17 UTCEPSS rescore
  17. 2026-06-08 14:17 UTCEPSS rescore
  18. 2026-06-08 01:13 UTCGHSA enrichment
  19. 2026-06-07 15:25 UTCEPSS rescore
  20. 2026-06-07 15:25 UTCEPSS rescore
  21. 2026-06-07 12:43 UTCGHSA enrichment
  22. 2026-06-06 13:47 UTCEPSS rescore
  23. 2026-06-06 13:47 UTCEPSS rescore
  24. 2026-06-05 22:47 UTCEPSS rescore
  25. 2026-06-05 06:10 UTCEPSS rescore
  26. 2026-06-05 06:10 UTCEPSS rescore
  27. 2026-06-04 13:12 UTCEPSS rescore
  28. 2026-06-04 13:12 UTCEPSS rescore
  29. 2026-06-02 20:13 UTCEPSS rescore
  30. 2026-06-01 13:52 UTCEPSS rescore
  31. 2026-06-01 13:52 UTCEPSS rescore
  32. 2026-05-31 22:30 UTCEPSS rescore
  33. 2026-05-31 22:30 UTCEPSS rescore
  34. 2026-05-31 00:16 UTCEPSS rescore
  35. 2026-05-31 00:16 UTCEPSS rescore
  36. 2026-05-29 13:44 UTCEPSS rescore
  37. 2026-05-29 13:44 UTCEPSS rescore
  38. 2026-05-28 13:44 UTCEPSS rescore
  39. 2026-05-28 13:44 UTCEPSS rescore
  40. 2026-05-27 13:40 UTCEPSS rescore
  41. 2026-05-27 13:40 UTCEPSS rescore
  42. 2026-05-26 13:44 UTCEPSS rescore
  43. 2026-05-26 07:18 UTCEPSS rescore
  44. 2026-05-21 22:43 UTCEPSS rescore
  45. 2026-05-20 22:38 UTCEPSS rescore
  46. 2026-05-20 20:35 UTCEG score recompute
  47. 2026-05-20 20:35 UTCGHSA enrichment
  48. 2026-05-20 11:22 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-4737?
CVE-2026-4737 is a high vulnerability published on March 24, 2026. Use After Free vulnerability in No-Chicken Echo-Mate (‎SDK/rv1106-sdk/sysdrv/source/kernel/mm modules). This vulnerability is associated with program files rmap.C‎. This issue affects Echo-Mate: before V250329.
When was CVE-2026-4737 disclosed?
CVE-2026-4737 was first published in the National Vulnerability Database on March 24, 2026, with the most recent update on April 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4737 actively exploited?
CVE-2026-4737 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-4737?
CVE-2026-4737 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-4737?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4737, 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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