CVE-2015-6016
9.8
CRITICAL · CVSS 3.0 · EPSS 5.7% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.73% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-255 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2015-12-31 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| zyxel | nbg-418n |
| zyxel | p-660hw-t1 2 |
| zyxel | pmg5318-b20a firmware |
| zyxel | zynos firmware |
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
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