CVE-2015-6018

Pmg5318 B20a Firmware vulnerability

CVSS

9.8

EPSS

20.6%

EPSS pct

97th

Exploited

No known

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.

Affected vendor

Zyxel

Affected product

Pmg5318 B20a Firmware

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-264 — Permissions, Privileges, and Access Controls

Published

2015-12-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 20.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2015-6018

Confirm whether Zyxel Pmg5318 B20a Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-6018.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-6018

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-6018 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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