The OAmon.sys kernel driver 3.1.0.0 and earlier in Tall Emu Online Armor Personal…
Priority LOW 33CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The OAmon.sys kernel driver 3.1.0.0 and earlier in Tall Emu Online Armor Personal Firewall AV+ before 3.5.0.12, and Personal Firewall 3.5 before 3.5.0.14, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \Device\OAmon containing arbitrary kernel addresses, as demonstrated using the 0x830020C3 IOCTL.
Why it matters now
EPSS 0.00767 55th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and 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 · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:*:*:*:*:*:*:*:* | up to 3.5.0.11 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:3.5.0.6:*:*:*:*:*:*:* | 3.5.0.6 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:3.5.0.9:*:*:*:*:*:*:* | 3.5.0.9 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:*:*:*:*:*:*:*:* | up to 3.5.0.13 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.1:*:*:*:*:*:*:* | 3.5.0.1 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.2:*:*:*:*:*:*:* | 3.5.0.2 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.3:*:*:*:*:*:*:* | 3.5.0.3 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.4:*:*:*:*:*:*:* | 3.5.0.4 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.5:*:*:*:*:*:*:* | 3.5.0.5 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.6:*:*:*:*:*:*:* | 3.5.0.6 | Vulnerable | Tallemu |
- cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:*:*:*:*:*:*:*:* Versions up to 3.5.0.11 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:3.5.0.6:*:*:*:*:*:*:* Versions 3.5.0.6 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:online_armor_personal_firewall_av\+:3.5.0.9:*:*:*:*:*:*:* Versions 3.5.0.9 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:*:*:*:*:*:*:*:* Versions up to 3.5.0.13 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.1:*:*:*:*:*:*:* Versions 3.5.0.1 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.2:*:*:*:*:*:*:* Versions 3.5.0.2 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.3:*:*:*:*:*:*:* Versions 3.5.0.3 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.4:*:*:*:*:*:*:* Versions 3.5.0.4 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.5:*:*:*:*:*:*:* Versions 3.5.0.5 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.6:*:*:*:*:*:*:* Versions 3.5.0.6 Vulnerable ·Tallemu
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.7:*:*:*:*:*:*:* | 3.5.0.7 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.8:*:*:*:*:*:*:* | 3.5.0.8 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.9:*:*:*:*:*:*:* | 3.5.0.9 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.10:*:*:*:*:*:*:* | 3.5.0.10 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.11:*:*:*:*:*:*:* | 3.5.0.11 | Vulnerable | Tallemu |
| cpe:2.3:a:tallemu:personal_firewall:3.5.0.12:*:*:*:*:*:*:* | 3.5.0.12 | Vulnerable | Tallemu |
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.7:*:*:*:*:*:*:* Versions 3.5.0.7 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.8:*:*:*:*:*:*:* Versions 3.5.0.8 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.9:*:*:*:*:*:*:* Versions 3.5.0.9 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.10:*:*:*:*:*:*:* Versions 3.5.0.10 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.11:*:*:*:*:*:*:* Versions 3.5.0.11 Vulnerable ·Tallemu
- cpe:2.3:a:tallemu:personal_firewall:3.5.0.12:*:*:*:*:*:*:* Versions 3.5.0.12 Vulnerable ·Tallemu
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2450
- 2026-10-03 Alias added: GHSA-66r2-9m7r-3cvc
References
Sources
- CVE-2009-2450 · CVE Program
- CVE-2009-2450 · NVD
- FIRST EPSS
- GHSA-66r2-9m7r-3cvc · 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