Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-4293

21
FAUCET Score

CVE-2009-4293 describes a denial-of-service vulnerability affecting Internet Initiative Japan SEIL/X1, SEIL/X2, and SEIL/B1 routers running firmware versions 2.30 through 2.51 when NAT is enabled. This vulnerability allows remote attackers to trigger a system restart by sending specially crafted GRE packets. With a CVSS score of 7.1 (High), the attack requires no authentication and has medium complexity, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.30CPE matchmatch criteria
cpe:2.3:a:iij:seil\/x1_firmware:2.30:*:*:*:*:*:*:*
2.40CPE matchmatch criteria
cpe:2.3:a:iij:seil\/x1_firmware:2.40:*:*:*:*:*:*:*
2.41CPE matchmatch criteria
cpe:2.3:a:iij:seil\/x1_firmware:2.41:*:*:*:*:*:*:*
2.42CPE matchmatch criteria
cpe:2.3:a:iij:seil\/x1_firmware:2.42:*:*:*:*:*:*:*
2.50CPE matchmatch criteria
cpe:2.3:a:iij:seil\/x1_firmware:2.50:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.68%
Probability of exploitation in next 30 days
EPSS Percentile
74.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0168 is in the 32nd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / en/contents/2009/JVNDB-2009-000070.html
jvn.jp / en/jp/JVN13011682/index.html
osvdb.org / 59361
secunia.com / advisories/37154
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/54050
seil.jp / seilseries/security/2009/a00674.php
Vendor Advisory
vupen.com / english/advisories/2009/3111
Vendor Advisory