The (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268…
Priority LOW 26Published · 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 (1) fwdrv.sys and (2) khips.sys drivers in Sunbelt Kerio Personal Firewall 4.3.268 and earlier do not validate arguments passed through to SSDT functions, including NtCreateFile, NtDeleteFile, NtLoadDriver, NtMapViewOfSection, NtOpenFile, and NtSetInformationFile, which allows local users to cause a denial of service (crash) and possibly other impacts via unspecified vectors.
Why it matters now
EPSS 0.01595 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* | 4.0.6 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* | 4.0.7 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* | 4.0.8 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* | 4.0.9 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* | 4.0.10 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.11:*:*:*:*:*:*:* | 4.0.11 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.12:*:*:*:*:*:*:* | 4.0.12 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.13:*:*:*:*:*:*:* | 4.0.13 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.14:*:*:*:*:*:*:* | 4.0.14 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.0.15:*:*:*:*:*:*:* | 4.0.15 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:personal_firewall:4.0.6:*:*:*:*:*:*:* Versions 4.0.6 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.8:*:*:*:*:*:*:* Versions 4.0.8 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.10:*:*:*:*:*:*:* Versions 4.0.10 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.11:*:*:*:*:*:*:* Versions 4.0.11 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.12:*:*:*:*:*:*:* Versions 4.0.12 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.13:*:*:*:*:*:*:* Versions 4.0.13 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.14:*:*:*:*:*:*:* Versions 4.0.14 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.0.15:*:*:*:*:*:*:* Versions 4.0.15 Vulnerable ·Kerio
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* | 4.0.16 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1.0:*:*:*:*:*:*:* | 4.1.0 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1.1:*:*:*:*:*:*:* | 4.1.1 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.1.2:*:*:*:*:*:*:* | 4.1.2 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.3.246:*:*:*:*:*:*:* | 4.3.246 | Vulnerable | Kerio |
| cpe:2.3:a:kerio:personal_firewall:4.3.268:*:*:*:*:*:*:* | 4.3.268 | Vulnerable | Kerio |
- cpe:2.3:a:kerio:personal_firewall:4.0.16:*:*:*:*:*:*:* Versions 4.0.16 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.3.246:*:*:*:*:*:*:* Versions 4.3.246 Vulnerable ·Kerio
- cpe:2.3:a:kerio:personal_firewall:4.3.268:*:*:*:*:*:*:* Versions 4.3.268 Vulnerable ·Kerio
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-5153
- 2026-10-03 Alias added: GHSA-m5gv-wj6x-54cq
References
More Kerio Personal Firewall vulnerabilities
- TI-2005-01000 The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal… CVSS 2.0HIGH 7.5
- TI-2003-01391 Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from… CVSS 2.0HIGH 7.5
- TI-2004-02200 Kerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with… CVSS 2.0HIGH 7.2
- TI-2004-01006 The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers… CVSS 2.0MEDIUM 5.0
- TI-2005-01001 The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal… CVSS 2.0MEDIUM 5.0
- TI-2002-02074 Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to cause a denial… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2006-5153 · CVE Program
- CVE-2006-5153 · NVD
- FIRST EPSS
- GHSA-m5gv-wj6x-54cq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences