7.5CVSSHIGH
Description
cgi/b on the BT Home Hub router allows remote attackers to bypass authentication, and read or modify administrative settings or make arbitrary VoIP telephone calls, by placing a character at the end of the PATH_INFO, as demonstrated by (1) %5C (encoded backslash), (2) '%' (percent), and (3) '~' (tilde). NOTE: the '/' (slash) vector is already covered by CVE-2007-5383.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
MITRE ATT&CK
2 techniques Initial Access
References
http://www.gnucitizen.org/blog/holes-in-embedded-devices-authentication-bypass-pt-1/
gnucitizen.org
http://www.securityfocus.com/archive/1/489009/100/0/threaded
securityfocus.com
http://www.gnucitizen.org/projects/router-hacking-challenge/
gnucitizen.org
and 1 more references View all →
Timeline
Published
Mar 13, 2008
Last Updated
Apr 23, 2026
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