CVE-2004-0580

Befcmu10 vulnerability

CVSS

5.0

EPSS

8.0%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Linksys

Affected product

Befcmu10

CVSS vector

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

Published

2004-08-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 8.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2004-0580

Confirm whether Linksys Befcmu10 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2004-0580.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0580

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2004-0580 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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