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
Published Dec 29, 2017
7.5
HIGHCVSS 3.0
EPSS 2.28%
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.
Affected products
No data.
AND
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.28% 0.02281
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.02281
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.28% (0.02281) | 82.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.26% (0.02262) | 80.65th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00136) | 49.56th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.14% (0.00136) | 48.81th | v3 (v2023.03.01) |
| May 22, 2023 | 0.13% (0.00126) | 45.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00149) | 49.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00976) | 26.54th | v1 |
| Jan 6, 2022 | 0.98% (0.00976) | 25.91th | v1 |
| Sep 1, 2021 | 0.98% (0.00976) | 61.78th | v1 |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
Weaknesses (1)
References (2)
- http://packetstormsecurity.com/files/145548/ZyXEL-P-660HW-TTL-Expiry-Denial-Of-Service.html x_refsource_MISCExploitIssue TrackingThird Party AdvisoryVDB Entry
- https://www.zyxel.com/support/announcement_denial_of_service.shtml x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/145548/ZyXEL-P-660HW-TTL-Expiry-Denial-Of-Service.html | x_refsource_MISCExploitIssue TrackingThird Party AdvisoryVDB Entry | |
| https://www.zyxel.com/support/announcement_denial_of_service.shtml | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 29, 2017
Updated Aug 5, 2024
Reserved Dec 24, 2017
Link CVE-2017-17901
CISA Vulnrichment
Updated n/a