Input validation error in Mitsubishi Electric products - CVE-2022-25161

Vulnerability identifier: #VU63470

CSH Severity: High

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-25161

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

MELSEC iQ-F Series FX5UJ CPU module
MELSEC iQ-F FX5U
MELSEC iQ-F series FX5U(C) CPU module
MELSEC iQ-F FX5UC-32MT/DS-TS
MELSEC iQ-F FX5UC-32MT/DSS-TS
MELSEC iQ-F FX5UC-32MR/DS-TS

Install updates from vendor's website.

MELSEC iQ-F Series FX5UJ CPU module - update to 1.030
MELSEC iQ-F FX5U - update to 1.270
MELSEC iQ-F series FX5U(C) CPU module - update to 1.270
MELSEC iQ-F FX5UC-32MT/DS-TS - update to 1.270
MELSEC iQ-F FX5UC-32MT/DSS-TS - update to 1.270
MELSEC iQ-F FX5UC-32MR/DS-TS - update to 1.270

• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-004_en.pdf
• https://jvn.jp/vu/JVNVU95926817/index.html
• https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2021-14/

• Multiple vulnerabilities in Mitsubishi Electric MELSEC iQ-F Series