Internet Initiative Japan SEIL/X1, SEIL/X2, and SEIL/B1 firmware 2.30 through 2.51, when…
Priority LOW 35CWE-16Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Internet Initiative Japan SEIL/X1, SEIL/X2, and SEIL/B1 firmware 2.30 through 2.51, when NAT is enabled, allows remote attackers to cause a denial of service (system restart) via crafted GRE packets.
Why it matters now
EPSS 0.01684 77th 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 · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:iij:seil\/x1_firmware:2.30:*:*:*:*:*:*:* | 2.30 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x1_firmware:2.40:*:*:*:*:*:*:* | 2.40 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x1_firmware:2.41:*:*:*:*:*:*:* | 2.41 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x1_firmware:2.42:*:*:*:*:*:*:* | 2.42 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x1_firmware:2.50:*:*:*:*:*:*:* | 2.50 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x1_firmware:2.51:*:*:*:*:*:*:* | 2.51 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil\/x1:*:*:*:*:*:*:*:* | all versions | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/b1_firmware:2.30:*:*:*:*:*:*:* | 2.30 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/b1_firmware:2.40:*:*:*:*:*:*:* | 2.40 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/b1_firmware:2.41:*:*:*:*:*:*:* | 2.41 | Vulnerable | Iij |
- cpe:2.3:a:iij:seil\/x1_firmware:2.30:*:*:*:*:*:*:* Versions 2.30 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x1_firmware:2.40:*:*:*:*:*:*:* Versions 2.40 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x1_firmware:2.41:*:*:*:*:*:*:* Versions 2.41 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x1_firmware:2.42:*:*:*:*:*:*:* Versions 2.42 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x1_firmware:2.50:*:*:*:*:*:*:* Versions 2.50 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x1_firmware:2.51:*:*:*:*:*:*:* Versions 2.51 Vulnerable ·Iij
- cpe:2.3:h:iij:seil\/x1:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/b1_firmware:2.30:*:*:*:*:*:*:* Versions 2.30 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/b1_firmware:2.40:*:*:*:*:*:*:* Versions 2.40 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/b1_firmware:2.41:*:*:*:*:*:*:* Versions 2.41 Vulnerable ·Iij
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:iij:seil\/b1_firmware:2.42:*:*:*:*:*:*:* | 2.42 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/b1_firmware:2.50:*:*:*:*:*:*:* | 2.50 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/b1_firmware:2.51:*:*:*:*:*:*:* | 2.51 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil\/b1:*:*:*:*:*:*:*:* | all versions | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.30:*:*:*:*:*:*:* | 2.30 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.40:*:*:*:*:*:*:* | 2.40 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.41:*:*:*:*:*:*:* | 2.41 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.42:*:*:*:*:*:*:* | 2.42 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.50:*:*:*:*:*:*:* | 2.50 | Vulnerable | Iij |
| cpe:2.3:a:iij:seil\/x2_firmware:2.51:*:*:*:*:*:*:* | 2.51 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil\/x2:*:*:*:*:*:*:*:* | all versions | Vulnerable | Iij |
- cpe:2.3:a:iij:seil\/b1_firmware:2.42:*:*:*:*:*:*:* Versions 2.42 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/b1_firmware:2.50:*:*:*:*:*:*:* Versions 2.50 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/b1_firmware:2.51:*:*:*:*:*:*:* Versions 2.51 Vulnerable ·Iij
- cpe:2.3:h:iij:seil\/b1:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.30:*:*:*:*:*:*:* Versions 2.30 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.40:*:*:*:*:*:*:* Versions 2.40 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.41:*:*:*:*:*:*:* Versions 2.41 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.42:*:*:*:*:*:*:* Versions 2.42 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.50:*:*:*:*:*:*:* Versions 2.50 Vulnerable ·Iij
- cpe:2.3:a:iij:seil\/x2_firmware:2.51:*:*:*:*:*:*:* Versions 2.51 Vulnerable ·Iij
- cpe:2.3:h:iij:seil\/x2:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Iij
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-4293
- 2026-10-03 Alias added: GHSA-cgpx-g545-4wgj
References
More Iij Seil/b1 vulnerabilities
- TI-2009-04055 Buffer overflow in the URL filtering function in Internet Initiative Japan SEIL/X1… CVSS 2.0HIGH 9.3
- TI-2011-00381 Buffer overflow in the PPP Access Concentrator (PPPAC) on the SEIL/x86 with firmware 1.00… CVSS 2.0HIGH 8.3
- TI-2013-04130 Buffer overflow in the PPP Access Concentrator (PPPAC) on the SEIL/x86 with firmware… CVSS 2.0MEDIUM 6.8
- TI-2015-00826 npppd in the PPP Access Concentrator (PPPAC) on SEIL SEIL/x86 Fuji routers 1.00 through… CVSS 2.0HIGH 7.1
- TI-2014-01572 The PPP Access Concentrator (PPPAC) on SEIL SEIL/x86 routers 1.00 through 3.10, SEIL/X1… CVSS 2.0MEDIUM 5.0
- TI-2013-04129 The PPP Access Concentrator (PPPAC) in Internet Initiative Japan Inc. CVSS 2.0MEDIUM 4.0
Sources
- CVE-2009-4293 · CVE Program
- CVE-2009-4293 · NVD
- FIRST EPSS
- GHSA-cgpx-g545-4wgj · 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