CVE-2004-0580

CVE-2004-0580 is a medium-severity vulnerability in Linksys Befcmu10 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

Description

DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware version 1.45.7, does not properly clear previously used buffer contents in a BOOTP reply packet, which allows remote attackers to obtain sensitive information.

Frequently asked questions

What is CVE-2004-0580?
DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware version 1.45.7, does not properly clear previously used buffer contents in a BOOTP reply packet, which allows remote attackers to obtain sensitive information.
How severe is CVE-2004-0580?
CVE-2004-0580 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-0580 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0580?
CVE-2004-0580 primarily affects Linksys Befcmu10. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0580?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-0580 published?
CVE-2004-0580 was published on 2004-08-06 and last updated on 2026-06-16.

References

Affected products (50)