CVE-2004-0580

Summary

CVECVE-2004-0580
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2004-08-06 04:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionDHCP 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Linksys Befcmu10 All All All All
Hardware Linksys Befn2ps4 All All All All
Hardware Linksys Befn2ps4 1.42.7 All All All
Hardware Linksys Befsr11 1.40.2 All All All
Hardware Linksys Befsr11 1.41 All All All
Hardware Linksys Befsr11 1.42.3 All All All
Hardware Linksys Befsr11 1.42.7 All All All
Hardware Linksys Befsr11 1.43 All All All
Hardware Linksys Befsr11 1.43.3 All All All
Hardware Linksys Befsr11 1.44 All All All
Hardware Linksys Befsr41 1.35 All All All
Hardware Linksys Befsr41 1.36 All All All
Hardware Linksys Befsr41 1.37 All All All
Hardware Linksys Befsr41 1.38.5 All All All
Hardware Linksys Befsr41 1.39 All All All
Hardware Linksys Befsr41 1.40.2 All All All
Hardware Linksys Befsr41 1.41 All All All
Hardware Linksys Befsr41 1.42.3 All All All
Hardware Linksys Befsr41 1.42.7 All All All
Hardware Linksys Befsr41 1.43 All All All
Hardware Linksys Befsr41 1.43.3 All All All
Hardware Linksys Befsr41 1.44 All All All
Hardware Linksys Befsr41 1.45.7 All All All
Hardware Linksys Befsr41w All All All All
Hardware Linksys Befsr81 All All All All
Hardware Linksys Befsr81 2.42.7.1 All All All
Hardware Linksys Befsr81 2.44 All All All
Hardware Linksys Befsru31 1.40.2 All All All
Hardware Linksys Befsru31 1.41 All All All
Hardware Linksys Befsru31 1.42.3 All All All
Hardware Linksys Befsru31 1.42.7 All All All
Hardware Linksys Befsru31 1.43 All All All
Hardware Linksys Befsru31 1.43.3 All All All
Hardware Linksys Befsru31 1.44 All All All
Hardware Linksys Befsx41 1.42.7 All All All
Hardware Linksys Befsx41 1.43 All All All
Hardware Linksys Befsx41 1.43.3 All All All
Hardware Linksys Befsx41 1.43.4 All All All
Hardware Linksys Befsx41 1.44 All All All
Hardware Linksys Befsx41 1.44.3 All All All
Hardware Linksys Befsx41 1.45.3 All All All
Hardware Linksys Befvp41 All All All All
Hardware Linksys Befvp41 1.39.64 All All All
Hardware Linksys Befvp41 1.40.3f All All All
Hardware Linksys Befvp41 1.40.4 All All All
Hardware Linksys Befvp41 1.42.7 All All All
Hardware Linksys Rv082 All All All All
Hardware Linksys Wap55ag 1.0.7 All All All
Hardware Linksys Wrt54g 1.42.3 All All All
Hardware Linksys Wrt54g 2.00.8 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
'Linksys BEFSR41 DHCP vulnerability server leaks network data' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
linksys.custhelp.com/cgi-bin/linksys.cfg/php/enduser/std_adp.php af854a3a-2127-422b-91ae-364da2661108 linksys.custhelp.com
Secunia - Advisories - Linksys BEF Series Routers DHCP Vulnerability af854a3a-2127-422b-91ae-364da2661108 secunia.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
SecurityTracker.com Archives - Linksys Routers May Disclose Kernel Memory Contents in Response to BOOTP Packets af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
Multiple Linksys Devices DHCP Information Disclosure and Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Exploit, Vendor Advisory
www.osvdb.org/6325 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
CONFIRM:http://linksys.custhelp.com/cgi-bin/linksys.cfg/php/enduser/std_adp.php?p_faqid=832&p_%20\created=1086294093&p_sid=pU1X1idh&p_lva=&p_sp=cF9zcmNoPSZwX3NvcnRfYnk9JnBfZ3JpZHNvcnQ9%20\JnBfcm93X2NudD02NTQmcF9wYWdlPTE*&p_li= MITRE linksys.custhelp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report