{"id":"CVE-2002-0886","aliases":["EUVD-2002-0878","GHSA-32p2-76xv-rj3g"],"status":"published","title":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of...","description":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0537,"percentile":0.92705,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2002-08-31T04:00:00Z","modified":"2026-06-16T21:58:19Z","exploits":[{"source":"exploitdb","id":"EDB-21472","title":"Cisco CBOS 2.x - Broadband Operating System TCP/IP Stack Denial of Service","type":"dos","platform":"hardware","date":"2002-05-23","verified":true,"url":"https://www.exploit-db.com/exploits/21472"}],"products":[{"vendor":"cisco","product":"cbos"}],"references":[{"url":"http://www.cisco.com/warp/public/707/CBOS-DoS.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://www.securityfocus.com/bid/4813","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9152","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/4814","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.iss.net/security_center/static/9153.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.iss.net/security_center/static/9151.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/4815","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0886"},{"url":"https://github.com/advisories/GHSA-32p2-76xv-rj3g"}],"sources":{"cve":[{"id":"CVE-2002-0886","description":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.","status":"published","published":"2002-08-31T04:00:00Z","modified":"2024-08-08T03:03:49.3Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0878","description":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.","status":"published","published":"2002-08-31T04:00:00Z","modified":"2024-08-08T03:03:49Z","updated_at":"2026-11-03T01:14:58.693075Z"}],"ghsa":[{"id":"GHSA-32p2-76xv-rj3g","title":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of...","description":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.","status":"published","published":"2022-04-30T18:20:07Z","modified":"2023-01-30T05:05:38Z","updated_at":"2026-11-02T14:47:19.332628Z"}],"nvd":[{"id":"CVE-2002-0886","description":"Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.","status":"published","published":"2002-10-04T04:00:00Z","modified":"2026-06-16T21:58:19.81Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.827505Z"}]}}