CVE-2019-25733
CVE-2019-25733 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2019-20169
- Weakness: CWE-120
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2019-25733?
- 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.
- How severe is CVE-2019-25733?
- CVE-2019-25733 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-25733 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2019-25733?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2019-25733 have an EU (EUVD) identifier?
- Yes. CVE-2019-25733 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-20169.
- When was CVE-2019-25733 published?
- CVE-2019-25733 was published on 2026-06-04 and last updated on 2026-06-17.
References
- http://netsharewatcher.nsauditor.com
- http://netsharewatcher.nsauditor.com/downloads/NetShareWatcher_setup.exe
- https://www.exploit-db.com/exploits/46578
- https://www.vulncheck.com/advisories/netsharewatcher-seh-buffer-overflow
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