Vulnerability CVE-2019-9555

Vulnerability CVE-2019-9555

Published: 2019-03-05 Modified: 2019-03-06

Description:

Sagemcom F@st 5260 routers using firmware version 0.4.39, in WPA mode, default to using a PSK that is generated from a 2-part wordlist of known values and a nonce with insufficient entropy. The number of possible PSKs is about 1.78 billion, which is too small.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	Sagemcom Router Insufficient Default PSK Entropy	Ryan Delaney	07.03.2019

Type:

CWE-254

(Security Features)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score	Impact Subscore	Exploitability Subscore
5/10	2.9/10	10/10

Exploit range	Attack complexity	Authentication
Remote	Low	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	None	None

Affected software
Sagemcom -> F@st 5260 firmware

References:

https://seclists.org/fulldisclosure/2019/Mar/12

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