medium
5
CWE
NVD-CWE-Other
Advisory Published
Updated

CVE-2004-0580

First published: Wed Jun 23 2004(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linksys Befcmu10
Linksys BEFN2PS4
Linksys BEFN2PS4=1.42.7
Linksys BEFSR11=1.40.2
Linksys BEFSR11=1.41
Linksys BEFSR11=1.42.3
Linksys BEFSR11=1.42.7
Linksys BEFSR11=1.43
Linksys BEFSR11=1.43.3
Linksys BEFSR11=1.44
Linksys BEFSR41=1.35
Linksys BEFSR41=1.36
Linksys BEFSR41=1.37
Linksys BEFSR41=1.38.5
Linksys BEFSR41=1.39
Linksys BEFSR41=1.40.2
Linksys BEFSR41=1.41
Linksys BEFSR41=1.42.3
Linksys BEFSR41=1.42.7
Linksys BEFSR41=1.43
Linksys BEFSR41=1.43.3
Linksys BEFSR41=1.44
Linksys BEFSR41=1.45.7
Linksys BEFSR41
Linksys BEFSR81
Linksys BEFSR81=2.42.7.1
Linksys BEFSR81=2.44
Linksys BEFSRU31=1.40.2
Linksys BEFSRU31=1.41
Linksys BEFSRU31=1.42.3
Linksys BEFSRU31=1.42.7
Linksys BEFSRU31=1.43
Linksys BEFSRU31=1.43.3
Linksys BEFSRU31=1.44
Linksys BEFSX41=1.42.7
Linksys BEFSX41=1.43
Linksys BEFSX41=1.43.3
Linksys BEFSX41=1.43.4
Linksys BEFSX41=1.44
Linksys BEFSX41=1.44.3
Linksys BEFSX41=1.45.3
Linksys BEFVP41
Linksys BEFVP41=1.39.64
Linksys BEFVP41=1.40.3f
Linksys BEFVP41=1.40.4
Linksys BEFVP41=1.42.7
Linksys RV082
Linksys WAP55AG=1.0.7
Cisco Linksys WRT54G Router Firmware=1.42.3
Cisco Linksys WRT54G Router Firmware=2.00.8

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2004-0580?

    CVE-2004-0580 is classified as a medium severity vulnerability due to the risk of sensitive information disclosure.

  • How do I fix CVE-2004-0580?

    To fix CVE-2004-0580, upgrade the firmware of affected Linksys routers to the latest version provided by the manufacturer.

  • Which Linksys models are affected by CVE-2004-0580?

    CVE-2004-0580 affects Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 routers running firmware version 1.45.7.

  • What is the exploit scenario for CVE-2004-0580?

    CVE-2004-0580 can be exploited by remote attackers sending crafted BOOTP reply packets to obtain previously used buffer contents.

  • Is there a workaround for CVE-2004-0580?

    While upgrading firmware is the recommended solution for CVE-2004-0580, disabling the DHCP service can serve as a temporary workaround.

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