CVE-2015-6018

CRITICALNVD 9.89.8—Elevated

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 96.5%
KEV: Not listed

Published

December 31, 2015

Last Modified

May 6, 2026

Advisory Details (3)

Auto-updated May 7, 2026

🔬 Proof of concept available. No patch confirmed yet. Sources: cert.

cert

VU#870744 - ZyXEL NBG-418N, PMG5318-B20A and P-660HW-T1 routers contain multiple vulnerabilities

https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R

cert

VU#870744 - ZyXEL NBG-418N, PMG5318-B20A and P-660HW-T1 routers contain multiple vulnerabilities

https://www.kb.cert.org/vuls/id/870744

generic🟡 PoC Available

ZYXEL PMG5318-B20A - OS Command Injection - Hardware webapps Exploit

https://www.exploit-db.com/exploits/38455/

Data Freshness Timeline

(refreshed 4× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-24 16:43 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-21 22:40 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-38455
First seen Oct 14, 2015
ZYXEL PMG5318-B20A - OS Command Injection
Open source ↗

Frequently asked(5)

What is CVE-2015-6018?

CVE-2015-6018 is a critical vulnerability published on December 31, 2015. 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.

When was CVE-2015-6018 disclosed?

CVE-2015-6018 was first published in the National Vulnerability Database on December 31, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-6018 actively exploited?

CVE-2015-6018 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-6018?

CVE-2015-6018 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2015-6018?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-6018, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2015-6018

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

VU#870744 - ZyXEL NBG-418N, PMG5318-B20A and P-660HW-T1 routers contain multiple vulnerabilities

VU#870744 - ZyXEL NBG-418N, PMG5318-B20A and P-660HW-T1 routers contain multiple vulnerabilities

ZYXEL PMG5318-B20A - OS Command Injection - Hardware webapps Exploit

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2015-6018?

Published

Last Modified

Advisory Details (3)

Frequently asked(5)