{"id":"CVE-2011-0454","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-0454","generatedAt":"2026-10-27T18:47:00.948Z","title":"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…","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.","published":"2011-03-01T23:00:03.000Z","lastModified":"2026-06-16T23:27:25.000Z","status":"Modified","sourceIdentifier":"vultures@jpcert.or.jp","cvss":{"version":"2.0","score":8.3,"severity":"HIGH","vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["iij/seil\\/b1 firmware","iij/seil\\/b1","iij/seil\\/x1 firmware","iij/seil\\/x1","iij/seil\\/x2 firmware","iij/seil\\/x2","iij/seil\\/x86 firmware","iij/seil\\/x86","iij/seil\\/turbo firmware","iij/seil\\/turbo","iij/seil\\/neu 2fe plus firmware","iij/seil\\/neu 2fe plus"],"epss":{"score":0.02608,"percentile":0.8529,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://jvn.jp/en/jp/JVN88991166/index.html","source":"vultures@jpcert.or.jp"},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2011-000014","source":"vultures@jpcert.or.jp"},{"url":"http://secunia.com/advisories/43494","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"http://www.securityfocus.com/bid/46598","source":"vultures@jpcert.or.jp"},{"url":"http://www.seil.jp/support/security/a01001.html","tags":["Vendor Advisory"],"source":"vultures@jpcert.or.jp"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65672","source":"vultures@jpcert.or.jp"},{"url":"http://jvn.jp/en/jp/JVN88991166/index.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2011-000014","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/43494","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/46598","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.seil.jp/support/security/a01001.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65672","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-0454","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}