7.8

CVE-2018-5330: zyxel p-660hw_v3_firmware

CVSS: 7.8v2.0HighModified
Published 16-01-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-5330 is a high (CVSS 7.8) vulnerability in zyxel p-660hw_v3_firmware. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.75%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.75%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.75% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.75%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Zyxel1 product

1 vendor · 1 product

References

1 links