CVE-2019-25733

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-06-04. a secondary CVSS source baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.4
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.4Exploit: NoneExposed: 0

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

NetShareWatcher 1.5.8.0 contains a structured exception handler buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input. Attackers can craft a payload with overwritten SEH and NSEH pointers through the Restrictions custom filter field to trigger code execution when the Find function is invoked.

CVSS v3
8.4
EG Score
8.4(medium)
EPSS
4.4%
KEV
Not listed

Published

June 4, 2026

Last Modified

June 4, 2026

Advisory Details (3)

Auto-updated Jun 4, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

NetShareWatcher 1.5.8.0 SEH Buffer Overflow | Advisories | VulnCheck

https://www.vulncheck.com/advisories/netsharewatcher-seh-buffer-overflow
generic🟡 PoC Available

NetShareWatcher 1.5.8.0 - Local SEH Buffer Overflow - Windows local Exploit

https://www.exploit-db.com/exploits/46578
generic

Monitoring Remote Network Computers Shared Folders Permissions

http://netsharewatcher.nsauditor.com

Vendor Advisories for CVE-2019-25733(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 105× 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 165 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2019-25733?
CVE-2019-25733 is a high vulnerability published on June 4, 2026. NetShareWatcher 1.5.8.0 contains a structured exception handler buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input. Attackers can craft a payload with overwritten SEH and NSEH pointers through the Restrictions custom filter field to…
When was CVE-2019-25733 disclosed?
CVE-2019-25733 was first published in the National Vulnerability Database on June 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-25733 actively exploited?
CVE-2019-25733 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-25733?
CVE-2019-25733 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2019-25733?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-25733, 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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