Security readout for executives and security teams
Plain-English summary
CVE-2018-8765 affects 2345 Security Guard 3.6. A local user can trigger a crash through its network firewall driver, causing a Windows blue screen. The public record also says unspecified other impact may be possible, but does not substantiate that further.
Executive priority
Treat this as a targeted endpoint stability risk, not an internet-wide emergency. Prioritize validation if the product is installed on shared workstations, kiosks, lab systems, or other machines where local untrusted users may operate.
Technical view
The issue is in 2345NetFirewall.sys, which does not validate input values for an IOCTL handling path. The documented impact is local denial of service via BSOD, with possible unspecified additional impact. No CVSS score, CWE mapping, fixed version, or vendor mitigation is provided in the supplied sources.
Likely exposure
Exposure appears limited to systems running 2345 Security Guard 3.6 with the vulnerable 2345NetFirewall.sys driver loaded. The source bundle does not identify other affected versions, CPEs, operating systems, or deployment prevalence.
Exploitation context
The CVE wording requires local user access. The referenced GitHub path indicates a public BSOD proof of concept, but the bundle provides no evidence of active exploitation and the CVE is not listed as KEV.
Researcher notes
Evidence is sparse: the CVE record names the vulnerable driver, local DoS impact, and an IOCTL validation failure. It does not provide CVSS, CWE, patch details, affected-version range beyond 3.6, or confirmed privilege-escalation impact.
Mitigation direction
- Inventory endpoints for 2345 Security Guard 3.6 installations.
- Check vendor guidance for a fixed release or official workaround.
- Remove the product where it is unnecessary or unsupported.
- Limit local interactive access on affected systems.
- Prioritize systems where untrusted users can log in locally.
Validation and detection
- Confirm whether 2345NetFirewall.sys is present and loaded.
- Verify installed 2345 Security Guard version against 3.6.
- Review crash logs for BSODs involving 2345NetFirewall.sys.
- Check whether vendor documentation names a patched build.
- Record any compensating controls for local-user risk.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-8765 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/D0neMkj/POC_BSOD/tree/master/2345%20security%20guard/0x00222018CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.