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
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: Elevated riskExposed: 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)
EG Risk
54(Track*)
EG Risk 54/100SSVC: Track*

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
Severity84% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 22, 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 6× in last 7d / 36× 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 231 total refreshes for this CVE.

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

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, with the most recent update on July 22, 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 0% probability of exploitation in the next 30 days, which ranks it in the top 95.7% of all scored CVEs.
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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