CVE-2004-0580
DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware version 1.45...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2004-0580- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2004-0580- Updated
- 2026-11-02
EUVDEUVD-2004-0579 No score
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.
- Record
EUVD-2004-0579- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f36j-2388-wq8x No score
DHCP on Linksys BEFSR11, BEFSR41, BEFSR81, and BEFSRU31 Cable/DSL Routers, firmware version 1.45...
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.
- Record
GHSA-f36j-2388-wq8x- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Linksys - DHCP Information Disclosure | 2004-05-31 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2004-0580 is a medium vulnerability (CVSS 5.0) in Linksys Befsr11, published June 23, 2004. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.99%, the 94th percentile. No source names a fixed version.
References
linksys.custhelp.com/cgi-bin/linksys.cfg/php/enduser/std_adp.php?p_faqid=832&p_%20%5Ccreated=1086294093&p_sid=pU1X1idh&p_lva=&p_sp=cF9zcmNoPSZwX3NvcnRfYnk9JnBfZ3JpZHNvcnQ9%20%5CJnBfcm93X2NudD02NTQmcF9wYWdlPTE%2A&p_li=
exchange.xforce.ibmcloud.com/vulnerabilities/16142
secunia.com/advisories/11606
osvdb.org/6325
securitytracker.com/alerts/2004/May/1010288.html
marc.info?l=bugtraq&m=108662876129301&w=2
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securityfocus.com/bid/10329
nvd.nist.gov/vuln/detail/CVE-2004-0580
github.com/advisories/GHSA-f36j-2388-wq8x