CVE-2017-10874
PWR-Q200 does not use random values for source ports of DNS query packets, which allows remote attackers to conduct DNS cache poisoning attacks.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.32% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-330
- Affected
- ntt-east/pwr-q200 firmware
- Source
- vultures@jpcert.or.jp
EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://web116.jp/shop/hikari_p/q200/q200_00.htmlIssue Tracking, Third Party Advisory
- https://jvn.jp/en/jp/JVN73141967/index.htmlThird Party Advisory, VDB Entry
- http://web116.jp/shop/hikari_p/q200/q200_00.htmlIssue Tracking, Third Party Advisory
- https://jvn.jp/en/jp/JVN73141967/index.htmlThird Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.