CVE-2004-0580

Exp

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.

Published: 2004-08-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0580 is rated High Exploit Risk (68.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.99%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2004-0580

EDB-ID Source Kind Published Link
24115 exploit_db edb 2004-05-31 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0580

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.65% 7.99% +0.34%
2 2025-07-14 7.54% 7.65% +0.11%
3 2025-03-30 — 7.54% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0580

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-0580

Affected software / configurations for CVE-2004-0580

Vendor Product Version Raw CPE
linksys befcmu10 — cpe:2.3:h:linksys:befcmu10:*:*:*:*:*:*:*:*
linksys befn2ps4 — cpe:2.3:h:linksys:befn2ps4:*:*:*:*:*:*:*:*
linksys befn2ps4 1.42.7 cpe:2.3:h:linksys:befn2ps4:1.42.7:*:*:*:*:*:*:*
linksys befsr11 1.40.2 cpe:2.3:h:linksys:befsr11:1.40.2:*:*:*:*:*:*:*
linksys befsr11 1.41 cpe:2.3:h:linksys:befsr11:1.41:*:*:*:*:*:*:*
linksys befsr11 1.42.3 cpe:2.3:h:linksys:befsr11:1.42.3:*:*:*:*:*:*:*
linksys befsr11 1.42.7 cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:*
linksys befsr11 1.43 cpe:2.3:h:linksys:befsr11:1.43:*:*:*:*:*:*:*
linksys befsr11 1.43.3 cpe:2.3:h:linksys:befsr11:1.43.3:*:*:*:*:*:*:*
linksys befsr11 1.44 cpe:2.3:h:linksys:befsr11:1.44:*:*:*:*:*:*:*
linksys befsr41 1.35 cpe:2.3:h:linksys:befsr41:1.35:*:*:*:*:*:*:*
linksys befsr41 1.36 cpe:2.3:h:linksys:befsr41:1.36:*:*:*:*:*:*:*
linksys befsr41 1.37 cpe:2.3:h:linksys:befsr41:1.37:*:*:*:*:*:*:*
linksys befsr41 1.38.5 cpe:2.3:h:linksys:befsr41:1.38.5:*:*:*:*:*:*:*
linksys befsr41 1.39 cpe:2.3:h:linksys:befsr41:1.39:*:*:*:*:*:*:*
linksys befsr41 1.40.2 cpe:2.3:h:linksys:befsr41:1.40.2:*:*:*:*:*:*:*
linksys befsr41 1.41 cpe:2.3:h:linksys:befsr41:1.41:*:*:*:*:*:*:*
linksys befsr41 1.42.3 cpe:2.3:h:linksys:befsr41:1.42.3:*:*:*:*:*:*:*
linksys befsr41 1.42.7 cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*
linksys befsr41 1.43 cpe:2.3:h:linksys:befsr41:1.43:*:*:*:*:*:*:*
linksys befsr41 1.43.3 cpe:2.3:h:linksys:befsr41:1.43.3:*:*:*:*:*:*:*
linksys befsr41 1.44 cpe:2.3:h:linksys:befsr41:1.44:*:*:*:*:*:*:*
linksys befsr41 1.45.7 cpe:2.3:h:linksys:befsr41:1.45.7:*:*:*:*:*:*:*
linksys befsr41w — cpe:2.3:h:linksys:befsr41w:*:*:*:*:*:*:*:*
linksys befsr81 — cpe:2.3:h:linksys:befsr81:*:*:*:*:*:*:*:*
linksys befsr81 2.42.7.1 cpe:2.3:h:linksys:befsr81:2.42.7.1:*:*:*:*:*:*:*
linksys befsr81 2.44 cpe:2.3:h:linksys:befsr81:2.44:*:*:*:*:*:*:*
linksys befsru31 1.40.2 cpe:2.3:h:linksys:befsru31:1.40.2:*:*:*:*:*:*:*
linksys befsru31 1.41 cpe:2.3:h:linksys:befsru31:1.41:*:*:*:*:*:*:*
linksys befsru31 1.42.3 cpe:2.3:h:linksys:befsru31:1.42.3:*:*:*:*:*:*:*
linksys befsru31 1.42.7 cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:*
linksys befsru31 1.43 cpe:2.3:h:linksys:befsru31:1.43:*:*:*:*:*:*:*
linksys befsru31 1.43.3 cpe:2.3:h:linksys:befsru31:1.43.3:*:*:*:*:*:*:*
linksys befsru31 1.44 cpe:2.3:h:linksys:befsru31:1.44:*:*:*:*:*:*:*
linksys befsx41 1.42.7 cpe:2.3:h:linksys:befsx41:1.42.7:*:*:*:*:*:*:*
linksys befsx41 1.43 cpe:2.3:h:linksys:befsx41:1.43:*:*:*:*:*:*:*
linksys befsx41 1.43.3 cpe:2.3:h:linksys:befsx41:1.43.3:*:*:*:*:*:*:*
linksys befsx41 1.43.4 cpe:2.3:h:linksys:befsx41:1.43.4:*:*:*:*:*:*:*
linksys befsx41 1.44 cpe:2.3:h:linksys:befsx41:1.44:*:*:*:*:*:*:*
linksys befsx41 1.44.3 cpe:2.3:h:linksys:befsx41:1.44.3:*:*:*:*:*:*:*
linksys befsx41 1.45.3 cpe:2.3:h:linksys:befsx41:1.45.3:*:*:*:*:*:*:*
linksys befvp41 — cpe:2.3:h:linksys:befvp41:*:*:*:*:*:*:*:*
linksys befvp41 1.39.64 cpe:2.3:h:linksys:befvp41:1.39.64:*:*:*:*:*:*:*
linksys befvp41 1.40.3f cpe:2.3:h:linksys:befvp41:1.40.3f:*:*:*:*:*:*:*
linksys befvp41 1.40.4 cpe:2.3:h:linksys:befvp41:1.40.4:*:*:*:*:*:*:*
linksys befvp41 1.42.7 cpe:2.3:h:linksys:befvp41:1.42.7:*:*:*:*:*:*:*
linksys rv082 — cpe:2.3:h:linksys:rv082:*:*:*:*:*:*:*:*
linksys wap55ag 1.0.7 cpe:2.3:h:linksys:wap55ag:1.0.7:*:*:*:*:*:*:*
linksys wrt54g 1.42.3 cpe:2.3:h:linksys:wrt54g:1.42.3:*:*:*:*:*:*:*
linksys wrt54g 2.00.8 cpe:2.3:h:linksys:wrt54g:2.00.8:*:*:*:*:*:*:*

References for CVE-2004-0580

cvelogic Threat Intelligence