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Vulnerability record · CVE-2015-6019 · published 31 December 2015

CVE-2015-6019: Zyxel pmg5318-b20a firmware vulnerability

Zyxel · Pmg5318 B20a Firmware

The management portal on ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 does not terminate sessions upon a logout action, which allows remote attackers to bypass intended access restrictions by leveraging an unattended workstation.

8.5 CVSS 3.0 High EPSS 3.0% · top 13.2%
8.5CVSS 3.0 base score, v2 5.0
3.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The management portal on ZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 does not terminate sessions upon a logout action, which allows remote attackers to bypass intended access restrictions by leveraging an unattended workstation.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1034553
https://www.kb.cert.org/vuls/id/870744 Third Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R Third Party AdvisoryUS Government Resource
http://www.securitytracker.com/id/1034553
https://www.kb.cert.org/vuls/id/870744 Third Party AdvisoryUS Government Resource
https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2015-6018Zyxel pmg5318-b20a firmware permissions and access controls vulnerabilityThe diagnostic-ping implementation on ZyXEL PMG5318-B20A devices with firmware before 1.00(AANC.2)C0 allows remote attackers to execute arbitrary com…EPSS 21%9.8CVE-2015-6016Zyxel nbg-418n vulnerabilityZyXEL P-660HW-T1 2 devices with ZyNOS firmware 3.40(AXH.0), PMG5318-B20A devices with firmware 1.00AANC0b5, and NBG-418N devices have a default passw…EPSS 5.7%8.0CVE-2015-6020Zyxel pmg5318-b20a firmware permissions and access controls vulnerabilityZyXEL PMG5318-B20A devices with firmware 1.00AANC0b5 allow remote authenticated users to obtain administrative privileges by leveraging access to the…EPSS 2.2%5.9CVE-2015-7256Zyxel nwa1100-n firmware vulnerabilityZyXEL NWA1100-N, NWA1100-NH, NWA1121-NI, NWA1123-AC, and NWA1123-NI access points; P-660HN-51, P-663HN-51, VMG1312-B10A, VMG1312-B30A, VMG1312-B30B, …EPSS 0.79%

Source: NIST National Vulnerability Database (record CVE-2015-6019), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.