PatchTheCVEmelsec iq-f fx5-enet\/ip firmware vulnerabilities and fixes
Recent CVEs affecting melsec iq-f fx5-enet\/ip firmware, with upgrade or downgrade steps. 2 tracked.
Also searched as: melsec iq f fx5 enet\/ip firmware, melseciq-ffx5-enet\/ipfirmware.
melsec iq-f fx5-enet\/ip firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-03-03. Highest priority: CVE-2026-1876 (score 41/100).
- CVE-2026-1876 HIGH 7.5 MITIGATE Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-
- CVE-2026-1874 HIGH 7.5 UPGRADE UPGRADE Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Seri
FAQ
How do I fix melsec iq-f fx5-enet\/ip firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is melsec iq-f fx5-enet\/ip firmware being exploited right now?
None of the tracked melsec iq-f fx5-enet\/ip firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which melsec iq-f fx5-enet\/ip firmware CVE should I patch first?
CVE-2026-1876 currently ranks highest (41/100): Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-.