What’s Vulnerable › Vulnerabilities

CVE-2011-0454

• Severity: high (CVSS 8.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-03-01 · updated 2026-06-16
• Weakness: CWE-119

Description

Buffer overflow in the PPP Access Concentrator (PPPAC) on the SEIL/x86 with firmware 1.00 through 1.61, SEIL/B1 with firmware 1.00 through 3.11, SEIL/X1 with firmware 1.00 through 3.11, SEIL/X2 with firmware 1.00 through 3.11, SEIL/Turbo with firmware 1.80 through 2.10, and SEIL/neu 2FE Plus with firmware 1.80 through 2.10 might allow remote attackers to execute arbitrary code via a PPPoE packet.

Affected products

• Iij Seil/B1: all versions
• Iij Seil/B1 Firmware: 1.00, 2.01, 2.10, 2.20, 2.30, 2.40 (+18)
• Iij Seil/Neu 2Fe Plus: all versions
• Iij Seil/Neu 2Fe Plus Firmware: 1.80, 1.81, 1.82, 1.83, 1.84, 1.85 (+20)
• Iij Seil/Turbo: all versions
• Iij Seil/Turbo Firmware: 1.80, 1.81, 1.82, 1.83, 1.84, 1.85 (+20)
• Iij Seil/X1: all versions
• Iij Seil/X1 Firmware: 1.00, 1.10, 1.11, 1.20, 1.21, 1.22 (+29)
• Iij Seil/X2: all versions
• Iij Seil/X2 Firmware: 1.00, 1.10, 1.11, 1.20, 1.21, 1.22 (+29)
• Iij Seil/X86: all versions
• Iij Seil/X86 Firmware: 1.00, 1.61

References

• http://jvn.jp/en/jp/JVN88991166/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-000014
• http://secunia.com/advisories/43494
• http://www.securityfocus.com/bid/46598
• http://www.seil.jp/support/security/a01001.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65672
• http://jvn.jp/en/jp/JVN88991166/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-000014
• http://secunia.com/advisories/43494
• http://www.securityfocus.com/bid/46598
• http://www.seil.jp/support/security/a01001.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/65672

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