What’s Vulnerable › Vulnerabilities

CVE-2018-5330

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-01-16 · updated 2026-06-17

Description

ZyXEL P-660HW v3 devices allow remote attackers to cause a denial of service (router unreachable/unresponsive) via a flood of fragmented UDP packets.

Affected products

• Zyxel P-660Hw V3 Firmware: all versions

References

• http://packetstormsecurity.com/files/145863/ZyXEL-P-660HW-UDP-Denial-Of-Service.html
• http://packetstormsecurity.com/files/145863/ZyXEL-P-660HW-UDP-Denial-Of-Service.html

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