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6.8 Medium

CVE-2025-8531 Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series…

Description

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, Q26UDVCPU, Q04UDPVCPU, Q06UDPVCPU, Q13UDPVCPU, and Q26UDPVCPU with the first 5 digits of serial No. "24082" to "27081" allows a remote attacker to cause an integer underflow by sending specially crafted packets to the affected product to stop Ethernet communication and the execution of control programs on the product, when the user authentication function is enabled. The user authentication function is enabled by default only when settings are configured by GX Works2, which complies with the Cybersecurity Law of the People's Republic of China, and is normally disabled.

Affected products and versions

Product Affected versions Fixed in
MELSEC-Q Series Q03UDVCPU Versions not published
MELSEC-Q Series Q04UDVCPU Versions not published
MELSEC-Q Series Q06UDVCPU Versions not published
MELSEC-Q Series Q13UDVCPU Versions not published
MELSEC-Q Series Q26UDVCPU Versions not published
MELSEC-Q Series Q04UDPVCPU Versions not published
MELSEC-Q Series Q06UDPVCPU Versions not published
MELSEC-Q Series Q13UDPVCPU Versions not published
MELSEC-Q Series Q26UDPVCPU Versions not published

Other CVEs of MELSEC-Q Series Q03UDVCPU

The 7 CVEs of MELSEC-Q Series Q03UDVCPU →
CVE-2024-1917 Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series… 9.8 Critical CVE-2024-1916 Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series… 9.8 Critical CVE-2024-1915 Incorrect Pointer Scaling vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU… 9.8 Critical CVE-2024-0803 Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series… 9.8 Critical
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