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 Jun 23, 2004
5.0
MEDIUMCVSS 2.0
EPSS 7.99%
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.
Affected products
No data.
- n/a
- n/a
- 1.42.7
- 1.40.2
- 1.41
- 1.42.3
- 1.42.7
- 1.43
- 1.43.3
- 1.44
- 1.35
- 1.36
- 1.37
- 1.38.5
- 1.39
- 1.40.2
- 1.41
- 1.42.3
- 1.42.7
- 1.43
- 1.43.3
- 1.44
- 1.45.7
- n/a
- n/a
- 2.42.7.1
- 2.44
- 1.40.2
- 1.41
- 1.42.3
- 1.42.7
- 1.43
- 1.43.3
- 1.44
- 1.42.7
- 1.43
- 1.43.3
- 1.43.4
- 1.44
- 1.44.3
- 1.45.3
- n/a
- 1.39.64
- 1.40.3f
- 1.40.4
- 1.42.7
- n/a
- 1.0.7
- 1.42.3
- 2.00.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.99% (0.07986) | 94.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.99% (0.07986) | 94.00th | v5 (v2026.06.15) |
| Mar 30, 2025 | 7.54% (0.07541) | 90.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.99% (0.09989) | 88.31th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.54% (0.07541) | 91.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.97% (0.01971) | 89.23th | v3 (v2023.03.01) |
| Dec 30, 2023 | 2.21% (0.02205) | 88.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.37% (0.02374) | 88.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.79% (0.06790) | 92.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.79% (0.06790) | 91.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.79% (0.06790) | 79.54th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://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= x_refsource_CONFIRM
- http://marc.info/?l=bugtraq&m=108662876129301&w=2 mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/11606 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/alerts/2004/May/1010288.html vdb-entryx_refsource_SECTRACK
- http://www.osvdb.org/6325 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/10329 vdb-entryx_refsource_BIDExploitVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16142 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://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= | x_refsource_CONFIRM | |
| http://marc.info/?l=bugtraq&m=108662876129301&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://secunia.com/advisories/11606 | third-party-advisoryx_refsource_SECUNIA | |
| http://securitytracker.com/alerts/2004/May/1010288.html | vdb-entryx_refsource_SECTRACK | |
| http://www.osvdb.org/6325 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/10329 | vdb-entryx_refsource_BIDExploitVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/16142 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.