CVE-2021-3304

Sagemcom F@ST 3686 v2 3.495 devices have a buffer overflow via a long sessionKey to the goform/login URI.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://twitter.com/j0nh4t/status/1349649975479840769	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:sagemcom:f\@st_3686_firmware:3.495:*:*:*:*:*:*:*

cpe:2.3:h:sagemcom:f\@st_3686:v2:*:*:*:*:*:*:*

History

03 Feb 2021, 15:57

Type	Values Removed	Values Added
CPE		cpe:2.3:o:sagemcom:f\@st_3686_firmware:3.495:::::::* cpe:2.3:h:sagemcom:f\@st_3686:v2:::::::*
CWE		CWE-120
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://twitter.com/j0nh4t/status/1349649975479840769 -~~	(MISC) https://twitter.com/j0nh4t/status/1349649975479840769 - Exploit, Third Party Advisory

26 Jan 2021, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-01-26 18:16

Updated : 2023-12-10 13:41

NVD link : CVE-2021-3304

Mitre link : CVE-2021-3304

CVE.ORG link : CVE-2021-3304

JSON object : View

Products Affected

sagemcom

f\@st_3686_firmware
f\@st_3686

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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