CVE-2015-6016

critical

Published 2015-12-31 · Modified 2026-05-06

CVSS v3

9.8

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

CVSS v2

10.0

VIR risk

9.8

Description

ZyXEL 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 password of 1234 for the admin account, which allows remote attackers to obtain administrative access via unspecified vectors.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

http://www.securitytracker.com/id/1034552
http://www.securitytracker.com/id/1034553
http://www.securitytracker.com/id/1034554
https://www.kb.cert.org/vuls/id/870744
https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R
http://www.securitytracker.com/id/1034552
http://www.securitytracker.com/id/1034553
http://www.securitytracker.com/id/1034554
https://www.kb.cert.org/vuls/id/870744
https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R

CWEs

CWE-255

Verify integrity in audit chain (admin only). AS-IS.