The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security…
Priority LOW 21CWE-287Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security Component (NSC) modules, as used in Trend Micro OfficeScan 8.0 SP1 Patch 1 and Internet Security 2007 and 2008 17.0.1224, relies on client-side password protection implemented in the configuration GUI, which allows local users to bypass intended access restrictions and change firewall settings by using a modified client to send crafted packets.
Why it matters now
EPSS 0.00401 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trend_micro:internet_security_2007:*:*:*:*:*:*:*:* | all versions | Vulnerable | Trend Micro |
| cpe:2.3:a:trend_micro:internet_security_2008:17.0.1224:*:*:*:*:*:*:* | 17.0.1224 | Vulnerable | Trend Micro |
| cpe:2.3:a:trend_micro:officescan:8.0:sp1:*:*:*:*:*:* | 8.0 sp1 | Vulnerable | Trend Micro |
- cpe:2.3:a:trend_micro:internet_security_2007:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Trend Micro
- cpe:2.3:a:trend_micro:internet_security_2008:17.0.1224:*:*:*:*:*:*:* Versions 17.0.1224 Vulnerable ·Trend Micro
- cpe:2.3:a:trend_micro:officescan:8.0:sp1:*:*:*:*:*:* Versions 8.0 sp1 Vulnerable ·Trend Micro
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3866
- 2026-10-03 Alias added: GHSA-v2r3-54rp-h7wx
References
More Trend Micro Internet Security 2007 vulnerabilities
- TI-2008-03704 Multiple heap-based buffer overflows in the ApiThread function in the firewall service… CVSS 2.0HIGH 10.0
- TI-2008-03703 The ApiThread function in the firewall service (aka TmPfw.exe) in Trend Micro Network… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2008-3866 · CVE Program
- CVE-2008-3866 · NVD
- FIRST EPSS
- GHSA-v2r3-54rp-h7wx · GitHub Advisory Database · CC BY 4.0
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