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Unrated severityNVD Advisory· Published Aug 6, 2004· Updated Jun 16, 2026

CVE-2004-0580

CVE-2004-0580

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

51
  • Linksys/Befcmu10
    cpe:2.3:h:linksys:befcmu10:*:*:*:*:*:*:*:*
  • Linksys/Befn2ps42 versions
    cpe:2.3:h:linksys:befn2ps4:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:linksys:befn2ps4:*:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befn2ps4:1.42.7:*:*:*:*:*:*:*
  • Linksys/Befsr117 versions
    cpe:2.3:h:linksys:befsr11:1.40.2:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:h:linksys:befsr11:1.40.2:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.41:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.42.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.42.7:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.43:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.43.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr11:1.44:*:*:*:*:*:*:*
  • Linksys/Befsr4114 versions
    cpe:2.3:h:linksys:befsr41:1.35:*:*:*:*:*:*:*+ 13 more
    • cpe:2.3:h:linksys:befsr41:1.35:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.36:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.37:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.38.5:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.39:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.40.2:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.41:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.42.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.42.7:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.43:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.43.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.44:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41:1.45.7:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr41w:*:*:*:*:*:*:*:*
  • Linksys/Befsr813 versions
    cpe:2.3:h:linksys:befsr81:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:h:linksys:befsr81:*:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr81:2.42.7.1:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsr81:2.44:*:*:*:*:*:*:*
  • Linksys/Befsru317 versions
    cpe:2.3:h:linksys:befsru31:1.40.2:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:h:linksys:befsru31:1.40.2:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.41:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.42.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.42.7:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.43:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.43.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsru31:1.44:*:*:*:*:*:*:*
  • Linksys/Befsx417 versions
    cpe:2.3:h:linksys:befsx41:1.42.7:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:h:linksys:befsx41:1.42.7:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.43:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.43.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.43.4:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.44:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.44.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befsx41:1.45.3:*:*:*:*:*:*:*
  • Linksys/Befvp415 versions
    cpe:2.3:h:linksys:befvp41:*:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:h:linksys:befvp41:*:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befvp41:1.39.64:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befvp41:1.40.3f:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befvp41:1.40.4:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:befvp41:1.42.7:*:*:*:*:*:*:*
  • Linksys/Rv082
    cpe:2.3:h:linksys:rv082:*:*:*:*:*:*:*:*
  • Linksys/Wap55ag
    cpe:2.3:h:linksys:wap55ag:1.0.7:*:*:*:*:*:*:*
  • Linksys/Wrt54g2 versions
    cpe:2.3:h:linksys:wrt54g:1.42.3:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:linksys:wrt54g:1.42.3:*:*:*:*:*:*:*
    • cpe:2.3:h:linksys:wrt54g:2.00.8:*:*:*:*:*:*:*
  • Linksys/BEFSR11, BEFSR41, BEFSR81, BEFSR31Ullm-create
    Range: =1.45.7

Patches

Vulnerability mechanics

References

7

News mentions

0

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