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CVE-2002-0886

29
FAUCET Score

CVE-2002-0886 describes a denial-of-service vulnerability affecting Cisco DSL CPE devices running CBOS 2.4.4 and earlier. Remote attackers can exploit this by sending large packets to the DHCP or Telnet ports, or by flooding the device with large packets, causing the TCP/IP stack to consume excessive memory and lead to a hang or crash. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a network attack vector, low attack complexity, and no authentication required, resulting in a partial availability impact. While not listed in CISA's KEV catalog, an ExploitDB entry exists, and the vulnerability has garnered significant community discussion, with 10 mentions, suggesting ongoing interest despite its age.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.1CPE matchmatch criteria
cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:*
2.1.0aCPE matchmatch criteria
cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:*
2.2.0CPE matchmatch criteria
cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:*
2.2.1CPE matchmatch criteria
cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.37%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-21472 · May 23, 2002
This CVE's current EPSS score of 0.0537 is in the 89th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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