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
- 2026-06-04
- Advisory published
- 2026-06-04
- Advisory updated
- 2026-06-04
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].
Official resources
CVE-2019-25733 was published on 2026-06-04T14:16:31.320Z and last modified on 2026-06-04T15:00:40.757Z.