7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
6.8 Medium
AI Score
Confidence
Low
0.012 Low
EPSS
Percentile
84.9%
FON La Fonera routers do not properly limit DNS service access by unauthenticated clients, which allows remote attackers to tunnel traffic via DNS requests for hosts that should not be accessible before authentication.