Spoofing attack in Nippon Telegraph and Telephone East Corporation products - CVE-2024-47044

Vulnerability identifier: #VU97671

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-47044

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker who identified WAN-side IPv6 address can access the product's Device Setting page via WAN-side.

Hikari Denwa router RT-400MI
Hikari Denwa router PR-400MI
Hikari Denwa router RV-440MI
Home GateWay/Hikari Denwa router PR-500MI
Home GateWay/Hikari Denwa router RS-500MI
Home GateWay/Hikari Denwa router RT-500MI
Home GateWay/Hikari Denwa router PR-600MI
Home GateWay/Hikari Denwa router RX-600MI

Install updates from vendor's website.

Hikari Denwa router RT-400MI - update to 09.00.0017
Hikari Denwa router RV-440MI - update to 09.00.0017
Home GateWay/Hikari Denwa router PR-500MI - update to 08.00.0007
Home GateWay/Hikari Denwa router RS-500MI - update to 08.00.0007
Home GateWay/Hikari Denwa router RT-500MI - update to 08.00.0007
Home GateWay/Hikari Denwa router PR-600MI - update to 01.00.0012
Home GateWay/Hikari Denwa router RX-600MI - update to 01.00.0012

• https://jvn.jp/en/jp/JVN78356367/index.html

• Spoofing attack in NTT EAST Home GateWay/Hikari Denwa routers