Every CVE Search/ Get API key

CVE-2017-17901

ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption)...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.33%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2017-17901
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-17901
Updated
2026-11-02
EUVDEUVD-2017-9044 No score

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.

Record
EUVD-2017-9044
Updated
2026-11-03
GitHub AdvisoriesGHSA-vww9-9287-j6xm 7.5

ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (CPU consumption)...

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.

Record
GHSA-vww9-9287-j6xm
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-17901 is a high vulnerability (CVSS 7.5) in Zyxel P-660hw Firmware, published December 29, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.33%, the 83rd percentile. No source names a fixed version.

References

MoveEnter Open