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CVE-2016-10227

Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a...

7.5 High

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.

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

2.06%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2016-10227
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-399
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2016-10227
Updated
2026-11-02
EUVDEUVD-2016-1412 No score

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.

Record
EUVD-2016-1412
Updated
2026-11-03
GitHub AdvisoriesGHSA-69qp-9fmq-hh37 7.5

Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a...

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.

Record
GHSA-69qp-9fmq-hh37
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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-2016-10227 is a high vulnerability (CVSS 7.5) in Zyxel Nwa3560-n Firmware, published February 21, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. No source names a fixed version.

References

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