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TITLE:
TP-LINK TL-WR740N WebConsole and UPnP Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA43669

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43669/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43669

RELEASE DATE:
2011-03-19

DISCUSS ADVISORY:
http://secunia.com/advisories/43669/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43669/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43669

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Ewerson Guimaraes has reported a vulnerability in TP-LINK TL-WR740N,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an unspecified error when
processing requests and can be exploited to cause the WebConsole and
UPnP services to become unresponsive by e.g. sending a large number
of packets.

The vulnerability is reported in versions 3.12.4 Build 100910
Rel.57694n and 3.11.7 Build 100603 Rel.56412n. Other versions may
also be affected.

SOLUTION:
Update to firmware released on 2011-03-18 or later. Please contact
the vendor for more details.

PROVIDED AND/OR DISCOVERED BY:
Ewerson Guimaraes aka Crash.

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/bugtraq/2011-03/0060.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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