Resource exhaustion in Yamaha Corporation products - CVE-2020-5548

Vulnerability identifier: #VU26467

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2020-5548

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Yamaha LTE VoIP Router
Yamaha Gigabit VoIP Router
Yamaha Gigabit VPN Router
Yamaha Broadband VoIP Router
Yamaha Firewall
NVR700W
NVR510
NVR500
RTX810
RTX830
RTX1200
RTX1210
RTX3500
RTX5000
FWX120

Software vendor:
Yamaha Corporation

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an issue in processing received packet. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://jvn.jp/en/jp/JVN38732359/index.html
• http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN38732359.html