
CVE-2002-0886 – Cisco CBOS 2.x - Broadband Operating System TCP/IP Stack Denial of Service
https://notcve.org/view.php?id=CVE-2002-0886
31 Aug 2002 — 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. • https://www.exploit-db.com/exploits/21472 •

CVE-2001-1065
https://notcve.org/view.php?id=CVE-2001-1065
31 Aug 2001 — Web-based configuration utility in Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap binds itself to port 80 even when web-based configuration services are disabled, which could leave the router open to attack. • http://www.cisco.com/warp/public/707/cisco-cbos-webserver-pub.shtml •

CVE-2001-1064 – Cisco CBOS 2.x - Multiple TCP Connection Denial of Service Vulnerabilities
https://notcve.org/view.php?id=CVE-2001-1064
31 Aug 2001 — Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of service via multiple connections to the router on the (1) HTTP or (2) telnet service, which causes the router to become unresponsive and stop forwarding packets. • https://www.exploit-db.com/exploits/21092 •