Internet Initiative Japan Inc.
Priority LOW 39CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
Internet Initiative Japan Inc. SEIL Series routers SEIL/X1 2.50 through 4.62, SEIL/X2 2.50 through 4.62, SEIL/B1 2.50 through 4.62, and SEIL/x86 Fuji 1.70 through 3.22 allow remote attackers to cause a denial of service (CPU and traffic consumption) via a large number of NTP requests within a short time, which causes unnecessary NTP responses to be sent.
Why it matters now
EPSS 0.03172 88th 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:iij:seil_b1_firmware:*:*:*:*:*:*:*:* | 2.50 – 4.62 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil_b1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Iij |
| cpe:2.3:o:iij:seil_x2_firmware:*:*:*:*:*:*:*:* | 2.50 – 4.62 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil_x2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Iij |
| cpe:2.3:o:iij:seil_x1_firmware:*:*:*:*:*:*:*:* | 2.50 – 4.62 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil_x1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Iij |
| cpe:2.3:o:iij:seil_x86_fuji_firmware:*:*:*:*:*:*:*:* | 1.70 – 3.22 | Vulnerable | Iij |
| cpe:2.3:h:iij:seil_x86_fuji:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Iij |
- cpe:2.3:o:iij:seil_b1_firmware:*:*:*:*:*:*:*:* Versions 2.50 – 4.62 Vulnerable ·Iij
- cpe:2.3:h:iij:seil_b1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Iij
- cpe:2.3:o:iij:seil_x2_firmware:*:*:*:*:*:*:*:* Versions 2.50 – 4.62 Vulnerable ·Iij
- cpe:2.3:h:iij:seil_x2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Iij
- cpe:2.3:o:iij:seil_x1_firmware:*:*:*:*:*:*:*:* Versions 2.50 – 4.62 Vulnerable ·Iij
- cpe:2.3:h:iij:seil_x1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Iij
- cpe:2.3:o:iij:seil_x86_fuji_firmware:*:*:*:*:*:*:*:* Versions 1.70 – 3.22 Vulnerable ·Iij
- cpe:2.3:h:iij:seil_x86_fuji:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Iij
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-7255
- 2026-10-03 Alias added: GHSA-m8cv-cvmh-jg5w
References
More Iij Seil B1 Firmware vulnerabilities
- TI-2014-06041 The (1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative… CVSS 2.0HIGH 7.8
Sources
- CVE-2014-7255 · CVE Program
- CVE-2014-7255 · NVD
- FIRST EPSS
- GHSA-m8cv-cvmh-jg5w · 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