Vulnerability CVE-2017-17901
Published: 2017-12-29

Description:
ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption) via a flood of IP packets with a TTL of 1.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
ZyXEL TTL Expiry Denial of Service
Hosein Askari
25.12.2017

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Zyxel -> P-660hw firmware 

 References:
http://packetstormsecurity.com/files/145548/ZyXEL-P-660HW-TTL-Expiry-Denial-Of-Service.html
https://www.zyxel.com/support/announcement_denial_of_service.shtml
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