PWR-Q200 does not use random values for source ports of DNS query packets, which allows remote attackers to conduct DNS cache poisoning attacks
Published Dec 1, 2017
7.5
HIGHCVSS 3.0
EPSS 1.32%
Description
PWR-Q200 does not use random values for source ports of DNS query packets, which allows remote attackers to conduct DNS cache poisoning attacks.
Affected products
-
- Version all firmware versionsStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Nippon Telegraph and Telephone East Corporation | PWR-Q200 | n/a |
|
- n/a
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:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.32% (0.01323) | 69.87th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.32% (0.01323) | 69.64th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00164) | 53.41th | v3 (v2023.03.01) |
| Oct 11, 2023 | 0.16% (0.00164) | 52.74th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.15% (0.00151) | 50.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00163) | 51.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00785) | 22.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
References (2)
- http://web116.jp/shop/hikari_p/q200/q200_00.html x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://jvn.jp/en/jp/JVN73141967/index.html third-party-advisoryx_refsource_JVNThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://web116.jp/shop/hikari_p/q200/q200_00.html | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://jvn.jp/en/jp/JVN73141967/index.html | third-party-advisoryx_refsource_JVNThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.