Vulnerability record · CVE-2002-0886 · published 4 October 2002

CVE-2002-0886: Cisco cbos vulnerability

Cisco · Cbos

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.

5.0 CVSS 2.0 Medium EPSS 5.4% · top 7.6%

5.0CVSS 2.0 base score

5.4%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

14References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Cbos Cisco

References

Link	Tags
http://www.cisco.com/warp/public/707/CBOS-DoS.shtml
http://www.iss.net/security_center/static/9151.php	PatchVendor Advisory
http://www.iss.net/security_center/static/9153.php
http://www.securityfocus.com/bid/4813	PatchVendor Advisory
http://www.securityfocus.com/bid/4814
http://www.securityfocus.com/bid/4815
https://exchange.xforce.ibmcloud.com/vulnerabilities/9152
http://www.cisco.com/warp/public/707/CBOS-DoS.shtml
http://www.iss.net/security_center/static/9151.php	PatchVendor Advisory
http://www.iss.net/security_center/static/9153.php
http://www.securityfocus.com/bid/4813	PatchVendor Advisory
http://www.securityfocus.com/bid/4814
http://www.securityfocus.com/bid/4815
https://exchange.xforce.ibmcloud.com/vulnerabilities/9152

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-0886), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.