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PatchSiren cyber security CVE debrief

CVE-2019-25733 nsauditor CVE debrief

CVE-2019-25733 is a structured exception handler buffer overflow vulnerability in NetShareWatcher 1.5.8.0. Local attackers can execute arbitrary code via a malicious input by overwriting SEH and NSEH pointers through the Restrictions custom filter field when the Find function is invoked.

Vendor
nsauditor
Product
NetShareWatcher
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of NetShareWatcher 1.5.8.0 should apply patches or mitigations to prevent local attackers from executing arbitrary code.

Technical summary

The vulnerability has a CVSS score of 8.6 and is classified as HIGH severity. The CVSS vector is CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates for NetShareWatcher 1.5.8.0 to fix the buffer overflow vulnerability.
  • Restrict access to the Restrictions custom filter field to prevent malicious input.
  • Monitor for suspicious activity related to the Find function in NetShareWatcher.

Evidence notes

The CVE record was obtained from the official CVE website [cve-org]. Additional information was obtained from the NVD detail page [nvd] and source references [ref-4], [ref-5], [ref-6], and [ref-7].

Sources and references

Verified primary and authoritative sources

  • CVE-2019-25733 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-25733

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-25733 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-25733

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.