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
Published Dec 31, 2015
9.8
CRITICALCVSS 3.0
EPSS 5.73%
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.
Affected products
No data.
Configuration 2
Running on/with
- n/a
- 3.40\(axh.0\)
Configuration 3
- v100aanc0b5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.73% (0.05731) | 92.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.73% (0.05731) | 92.04th | v5 (v2026.06.15) |
| Apr 8, 2026 | 3.58% (0.03576) | 87.73th | v4 (v2025.03.14) |
| Jul 2, 2025 | 5.57% (0.05574) | 89.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.50% (0.04504) | 88.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.53% (0.08528) | 87.09th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.50% (0.04504) | 88.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.92% (0.01915) | 89.06th | v3 (v2023.03.01) |
| Jul 11, 2024 | 1.92% (0.01915) | 88.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.92% (0.01915) | 86.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://www.securitytracker.com/id/1034552 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1034553 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1034554 vdb-entryx_refsource_SECTRACK
- https://www.kb.cert.org/vuls/id/870744 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R x_refsource_CONFIRMThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securitytracker.com/id/1034552 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id/1034553 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id/1034554 | vdb-entryx_refsource_SECTRACK | |
| https://www.kb.cert.org/vuls/id/870744 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| https://www.kb.cert.org/vuls/id/BLUU-9ZQU2R | x_refsource_CONFIRMThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.