This vulnerability allows remote attackers to cause a denial-of-service condition on vulnerable installations of ZyXEL P-870H-51 DSL Router 1.00(AWG.3)D5
Published Feb 21, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.96%
Description
This vulnerability allows remote attackers to cause a denial-of-service condition on vulnerable installations of ZyXEL P-870H-51 DSL Router 1.00(AWG.3)D5. Authentication is not required to exploit this vulnerability. The specific flaw exists within numerous exposed CGI endpoints. The vulnerability is caused by improper access controls that allow access to critical functions without authentication. An attacker can use this vulnerability to reboot affected devices, along with other actions. Was ZDI-CAN-4540.
Affected products
-
- Version 1.00(AWG.3)D5StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Zyxel | ZyXEL P-870H-51 DSL Router | n/a |
|
- 1.00\(awg.3\)d5
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.96% (0.03960) | 90.12th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.18% (0.03176) | 87.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.18% (0.04183) | 89.59th | v5 (v2026.06.15) |
| Dec 20, 2025 | 14.80% (0.14805) | 94.27th | v4 (v2025.03.14) |
| Nov 13, 2025 | 23.34% (0.23340) | 95.72th | v4 (v2025.03.14) |
| Sep 7, 2025 | 28.79% (0.28792) | 96.38th | v4 (v2025.03.14) |
| Mar 30, 2025 | 29.79% (0.29792) | 96.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 34.11% (0.34114) | 95.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 29.20% (0.29203) | 96.18th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.48% (0.01479) | 86.50th | v3 (v2023.03.01) |
| Dec 12, 2024 | 3.83% (0.03830) | 92.23th | v3 (v2023.03.01) |
| Mar 8, 2024 | 4.60% (0.04601) | 92.33th | v3 (v2023.03.01) |
| Jul 15, 2023 | 3.14% (0.03144) | 89.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.18% (0.04184) | 90.88th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00523) | 12.55th | v1 |
| Jan 6, 2022 | 0.52% (0.00523) | 12.10th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
References (1)
- https://zerodayinitiative.com/advisories/ZDI-18-135 x_refsource_MISCThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://zerodayinitiative.com/advisories/ZDI-18-135 | x_refsource_MISCThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.