How severe is CVE-2002-0886?

CVE-2002-0886 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-0886 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0886?

CVE-2002-0886 primarily affects Cisco Cbos. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0886?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-0886 published?

CVE-2002-0886 was published on 2002-10-04 and last updated on 2026-06-16.

CVE-2002-0886

CVE-2002-0886 is a medium-severity vulnerability in Cisco Cbos with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Cbos
Published: 2002-10-04
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2002-0886?: 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.
How severe is CVE-2002-0886?: CVE-2002-0886 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0886 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0886?: CVE-2002-0886 primarily affects Cisco Cbos. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0886?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0886 published?: CVE-2002-0886 was published on 2002-10-04 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.5.015:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.7.002:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3_.053:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.2ap:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.2b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.4.4:*:*:*:*:*:*:*

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