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D-Link DSL Routers "firmwarecfg" Authentication Bypass
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Secunia Advisory:
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SA15422
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Release Date:
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2005-05-20
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Last Update:
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2005-05-26
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Popularity:
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12,520 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
System access
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Where:
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From local network
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Solution Status:
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Unpatched
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| OS: | D-Link DSL-504T
D-Link DSL-G604T
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| CVE reference: | CVE-2005-1680
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Description:
A security issue has been reported in various D-Link DSL routers, which can be exploited by malicious people to gain unauthorised access to a vulnerable device.
The problem is caused due to an undocumented feature where the "cgi-bin/firmwarecfg" script grants the first user, who requests the script, access to the router. This can e.g. be exploited to modify the firmware of the router.
The following routers are reportedly affected:
* DSL-502T
* DSL-504T
* DSL-562T
* DSL-G604T
The security issue has been reported in the following firmware versions:
* V1.00B01T16.EN.20040211
* V1.00B01T16.EU.20040217
* V0.00B01T04.UK.20040220
* V1.00B01T16.EN.20040226
* V1.00B02T02.EU.20040610
* V1.00B02T02.UK.20040618
* V1.00B02T02.EU.20040729
* V1.00B02T02.DE.20040813
* V1.00B02T02.RU.20041014
Solution:
Restrict access to the web interface.
Provided and/or discovered by:
Independently discovered by:
* Francesco Orro
* Luis Peralta
Changelog:
2005-05-26: Added CVE reference.
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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