The ApiThread function in the firewall service (aka TmPfw.exe) in Trend Micro Network…
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The ApiThread function in the 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, allows remote attackers to cause a denial of service (service crash) via a packet with a large value in an unspecified size field.
Why it matters now
EPSS 0.02079 81st 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-2008-3864
- 2026-10-03 Alias added: GHSA-x9vv-ghv6-8pfw
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-2008-03705 The Trend Micro Personal Firewall service (aka TmPfw.exe) in Trend Micro Network Security… CVSS 2.0MEDIUM 4.6
Sources
- CVE-2008-3864 · CVE Program
- CVE-2008-3864 · NVD
- FIRST EPSS
- GHSA-x9vv-ghv6-8pfw · GitHub Advisory Database · CC BY 4.0
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