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4 vulnerabilities found for befsr41w by linksys
VAR-200603-0053
Vulnerability from variot - Updated: 2025-04-03 22:31Linksys WRT54G routers version 5 (running VXWorks) allow remote attackers to cause a denial of service by sending a malformed DCC SEND string to an IRC channel, which causes an IRC connection reset, possibly related to the masquerading code for NAT environments, and as demonstrated via (1) a DCC SEND with a single long argument, or (2) a DCC SEND with IP, port, and filesize arguments with a 0 value. DCC SEND, or (2) a DCC SEND with an IP address, port, and file size parameter value of 0. Linksys and Netgear routers are susceptible to a remote IRC denial-of-service vulnerability. This issue is due to a failure of the devices to properly handle unexpected network traffic. This issue allows remote attackers to disconnect IRC sessions, denying service to legitimate users. Linksys WRT54G routers are vulnerable to this issue. Routers running with the VxWorks operating system, but not Linux-based operating systems, are reportedly affected. Specific device and firmware version information is not currently available. This BID will be updated as further information is disclosed
Show details on source website{
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"data": "Linksys WRT54G routers version 5 (running VXWorks) allow remote attackers to cause a denial of service by sending a malformed DCC SEND string to an IRC channel, which causes an IRC connection reset, possibly related to the masquerading code for NAT environments, and as demonstrated via (1) a DCC SEND with a single long argument, or (2) a DCC SEND with IP, port, and filesize arguments with a 0 value. DCC SEND, or (2) a DCC SEND with an IP address, port, and file size parameter value of 0. Linksys and Netgear routers are susceptible to a remote IRC denial-of-service vulnerability. This issue is due to a failure of the devices to properly handle unexpected network traffic. \nThis issue allows remote attackers to disconnect IRC sessions, denying service to legitimate users. \nLinksys WRT54G routers are vulnerable to this issue. Routers running with the VxWorks operating system, but not Linux-based operating systems, are reportedly affected. Specific device and firmware version information is not currently available. This BID will be updated as further information is disclosed",
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VAR-200408-0079
Vulnerability from variot - Updated: 2025-04-03 22:26DHCP 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. Linksys has a variety of network equipment product lines.
Multiple Linksys devices have problems processing DHCP messages. Remote attackers can use this vulnerability to obtain sensitive information or conduct denial of service attacks on the device.
The built-in DHCP server of these devices has a security vulnerability. The DHCP server of these devices incorrectly processes BOOTP packets. When returning a BOOTP response, it fills some of the information in the memory into the BOOTP field, so the attacker can gain sensitivity by sniffing network communications. Information can also lead to a denial of service attack on the device by an attacker. When attempting to exploit this issue, it has been reported that a denial of service condition may occur, stopping legitimate users from using the device
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CVE-2004-0580 (GCVE-0-2004-0580)
Vulnerability from nvd – Published: 2004-06-23 04:00 – Updated: 2024-08-08 00:24
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
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| http://secunia.com/advisories/11606 | third-party-advisoryx_refsource_SECUNIA |
| http://www.osvdb.org/6325 | vdb-entryx_refsource_OSVDB |
| http://securitytracker.com/alerts/2004/May/1010288.html | vdb-entryx_refsource_SECTRACK |
| http://marc.info/?l=bugtraq&m=108662876129301&w=2 | mailing-listx_refsource_BUGTRAQ |
| http://www.securityfocus.com/bid/10329 | vdb-entryx_refsource_BID |
Date Public
2004-06-07 00:00
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CVE-2004-0580 (GCVE-0-2004-0580)
Vulnerability from cvelistv5 – Published: 2004-06-23 04:00 – Updated: 2024-08-08 00:24
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
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| http://secunia.com/advisories/11606 | third-party-advisoryx_refsource_SECUNIA |
| http://www.osvdb.org/6325 | vdb-entryx_refsource_OSVDB |
| http://securitytracker.com/alerts/2004/May/1010288.html | vdb-entryx_refsource_SECTRACK |
| http://marc.info/?l=bugtraq&m=108662876129301&w=2 | mailing-listx_refsource_BUGTRAQ |
| http://www.securityfocus.com/bid/10329 | vdb-entryx_refsource_BID |
Date Public
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