CVE-2002-0886
Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of...
CVE-2002-0886 is a medium vulnerability (CVSS 5.0) in Cisco Cbos, published August 31, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.37%, the 92nd percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2002-0886- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-0886- Updated
- 2026-11-02
EUVDEUVD-2002-0878 No score
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.
- Record
EUVD-2002-0878- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-32p2-76xv-rj3g No score
Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of...
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.
- Record
GHSA-32p2-76xv-rj3g- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cisco CBOS 2.x - Broadband Operating System TCP/IP Stack Denial of Service | 2002-05-23 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD |
References
cisco.com/warp/public/707/CBOS-DoS.shtml
securityfocus.com/bid/4813
exchange.xforce.ibmcloud.com/vulnerabilities/9152
iss.net/security_center/static/9153.php
nvd.nist.gov/vuln/detail/CVE-2002-0886
github.com/advisories/GHSA-32p2-76xv-rj3g