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TI-2020-04518 Aliases CVE-2020-5548GHSA-4f29-4fj4-943j

Yamaha LTE VoIP Router(NVR700W firmware Rev.15.00.15 and earlier), Yamaha Gigabit VoIP…

Priority LOW 36Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01419 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Yamaha CorporationYamaha network devicesYamaha 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)—No fix listedCNA
  • Yamaha network devices VendorYamaha Corporation Affected 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) Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:o:yamaha:rtx830_firmware:*:*:*:*:*:*:*:*up to 15.02.09VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx830:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:nvr510_firmware:*:*:*:*:*:*:*:*up to 15.01.14VulnerableYamaha Corporation
cpe:2.3:h:yamaha:nvr510:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:nvr700w_firmware:*:*:*:*:*:*:*:*up to 15.00.15VulnerableYamaha Corporation
cpe:2.3:h:yamaha:nvr700w:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:rtx1210_firmware:*:*:*:*:*:*:*:*up to 14.01.33VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx1210:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:rtx5000_firmware:*:*:*:*:*:*:*:*up to 14.00.26VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx5000:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
  • cpe:2.3:o:yamaha:rtx830_firmware:*:*:*:*:*:*:*:* Versions up to 15.02.09 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx830:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:nvr510_firmware:*:*:*:*:*:*:*:* Versions up to 15.01.14 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:nvr510:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:nvr700w_firmware:*:*:*:*:*:*:*:* Versions up to 15.00.15 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:nvr700w:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:rtx1210_firmware:*:*:*:*:*:*:*:* Versions up to 14.01.33 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx1210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:rtx5000_firmware:*:*:*:*:*:*:*:* Versions up to 14.00.26 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx5000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:yamaha:rtx3500_firmware:*:*:*:*:*:*:*:*up to 14.00.26VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx3500:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:fwx120_firmware:*:*:*:*:*:*:*:*up to 11.03.27VulnerableYamaha Corporation
cpe:2.3:h:yamaha:fwx120:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:rtx810_firmware:*:*:*:*:*:*:*:*up to 11.01.33VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx810:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:nvr500_firmware:*:*:*:*:*:*:*:*up to 11.00.38VulnerableYamaha Corporation
cpe:2.3:h:yamaha:nvr500:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
cpe:2.3:o:yamaha:rtx1200_firmware:*:*:*:*:*:*:*:*up to 10.01.76VulnerableYamaha Corporation
cpe:2.3:h:yamaha:rtx1200:-:*:*:*:*:*:*:*not specified by NVDRunning onYamaha Corporation
  • cpe:2.3:o:yamaha:rtx3500_firmware:*:*:*:*:*:*:*:* Versions up to 14.00.26 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx3500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:fwx120_firmware:*:*:*:*:*:*:*:* Versions up to 11.03.27 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:fwx120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:rtx810_firmware:*:*:*:*:*:*:*:* Versions up to 11.01.33 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx810:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:nvr500_firmware:*:*:*:*:*:*:*:* Versions up to 11.00.38 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:nvr500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation
  • cpe:2.3:o:yamaha:rtx1200_firmware:*:*:*:*:*:*:*:* Versions up to 10.01.76 Vulnerable ·Yamaha Corporation
  • cpe:2.3:h:yamaha:rtx1200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yamaha Corporation

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5548
  2. 2026-10-03 Alias added: GHSA-4f29-4fj4-943j

References

Sources