Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets
Published Feb 21, 2017
7.5
HIGHCVSS 3.0
EPSS 2.06%
Description
Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.
Affected products
No data.
Configuration 1
- n/a
Configuration 2
- 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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.06% (0.02061) | 80.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.06% (0.02061) | 78.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.99% (0.00987) | 75.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.74% (0.00738) | 81.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.74% (0.00738) | 80.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.74% (0.00738) | 77.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://www.securityfocus.com/bid/97105 vdb-entryx_refsource_BID
- http://www.zyxel.com/support/announcement_blacknurse_attack.shtml x_refsource_MISCPatchVendor Advisory
- https://cxsecurity.com/issue/WLB-2017020177 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97105 | vdb-entryx_refsource_BID | |
| http://www.zyxel.com/support/announcement_blacknurse_attack.shtml | x_refsource_MISCPatchVendor Advisory | |
| https://cxsecurity.com/issue/WLB-2017020177 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.