What is CVE-2015-6018?

CVE-2015-6018 is a critical-severity vulnerability in Zyxel Pmg5318-B20a Firmware, classified under CWE-264. CVSS score: 9.8/10. Published 2015-12-31.

How severe is CVE-2015-6018?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2015-6018 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zyxel Pmg5318-B20a Firmware

CVE-2015-6018

The diagnostic-ping implementation on ZyXEL PMG5318-B20A devices with firmware before 1.00(AANC.2)C0 allows remote attackers to execute arbitrary commands via the PingIPAddr parameter.

Published 2015-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.206 (97.5th percentile), scored 2026-10-02.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.206 · newest: 0.206 · change: 0.000

Affected products

Zyxel Pmg5318-B20a Firmware

Weakness classification (CWE)

CWE-264

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.securitytracker.com/id/1034553 (vdb-entry)
www.kb.cert.org/vuls/id/BLUU-9ZQU2R (US Government Resource)
www.exploit-db.com/exploits/38455/ (exploit)
www.kb.cert.org/vuls/id/870744 (US Government Resource, third-party-advisory)

Frequently asked questions

What is CVE-2015-6018?: CVE-2015-6018 is a critical-severity vulnerability in Zyxel Pmg5318-B20a Firmware, classified under CWE-264. CVSS score: 9.8/10. Published 2015-12-31.
How severe is CVE-2015-6018?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-6018 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.