PT-2025-34595 · Mitsubishi · Melsec Iq-F Series Cpu Module

Loc Nguyen + 3 · Published 2025-08-25 · Updated 2025-08-25 · CVE-2025-5514

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module (affected versions not specified)

Description: An improper handling of a length parameter inconsistency exists in the web server function of the product. This allows a remote, unauthenticated attacker to delay processing of the web server function and prevent legitimate users from utilizing it by sending a specially crafted HTTP request.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-130

Related Identifiers

CVE-2025-5514

Affected Products

Melsec Iq-F Series Cpu Module

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-5514 · Security Note
• https://mitsubishielectric.com/psirt/vulnerability/pdf/2025-010_en.pdf · Vendor Advisory
• https://twitter.com/CVEnew/status/1959864859815977059 · Twitter Post
• https://t.me/CVEtracker/30820 · Telegram Post
• https://t.me/cveNotify/133328 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-25-233-01 · Note
• https://jvn.jp/vu/JVNVU90316328 · Note