CVE-2017-1000020
SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass. "eCos Embedded Web Servers used by Multiple Routers and Home devices, while sending SYN Flood or FIN Flood packets fails to validate and handle the packets and does not ask for any sign of authentication resulting in Authentication Bypass. An attacker can take complete advantage of this bug and take over the device remotely or locally. The bug has been successfully tested and reproduced in some versions of SOHO Routers manufactured by TOTOLINK, GREATEK and others."
Published:Jul 13, 2017
Last Modified:Apr 20, 2025
EPS:Jul 13, 2017
EPSS Score:0.01129
CVSS Score:9.8
Affected Products
Vendor
Product
Action
Vendor
Ecos
Product
Embedded Web Servers
Ecos
Embedded Web Servers
Vendor
Greatek
Product
Soho
Greatek
Soho
Vendor
Totolink
Product
Soho
Totolink
Soho
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
