CVE-2020-5548
Yamaha LTE VoIP Router(NVR700W firmware Rev.15.00.15 and earlier), Yamaha Gigabit VoIP Router(NVR510 firmware Rev.15.01.14 and earlier), Yamaha Gigabit VPN Router(RTX810 firmware Rev.11.01.33 and earlier, RTX830 firmware Rev.15.02.09 and earlier,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Yamaha LTE VoIP Router(NVR700W firmware Rev.15.00.15 and earlier), Yamaha Gigabit VoIP Router(NVR510 firmware Rev.15.01.14 and earlier), Yamaha Gigabit VPN Router(RTX810 firmware Rev.11.01.33 and earlier, RTX830 firmware Rev.15.02.09 and earlier, RTX1200 firmware Rev.10.01.76 and earlier, RTX1210 firmware Rev.14.01.33 and earlier, RTX3500 firmware Rev.14.00.26 and earlier, and RTX5000 firmware Rev.14.00.26 and earlier), Yamaha Broadband VoIP Router(NVR500 firmware Rev.11.00.38 and earlier), and Yamaha Firewall(FWX120 firmware Rev.11.03.27 and earlier) allow remote attackers to cause a denial of service via unspecified vectors.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Affected
- yamaha/rtx830 firmware · yamaha/nvr510 firmware · yamaha/nvr700w firmware · yamaha/rtx1210 firmware · yamaha/rtx5000 firmware · yamaha/rtx3500 firmware · yamaha/fwx120 firmware · yamaha/rtx810 firmware · yamaha/nvr500 firmware · yamaha/rtx1200 firmware
- Source
- vultures@jpcert.or.jp
References
- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN38732359.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN38732359/index.htmlThird Party Advisory
- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN38732359.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN38732359/index.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.