simatic s7-1500 tm mfp firmware vulnerabilities and fixes

Recent CVEs affecting simatic s7-1500 tm mfp firmware, with upgrade or downgrade steps. 2 tracked.

simatic s7-1500 tm mfp firmware has 2 tracked vulnerabilities, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 2. Most recent: 2026-07-04. Highest priority: CVE-2026-53362 (score 71/100).

• CVE-2026-31694 HIGH 7.8 UPGRADE MITIGATE In the Linux kernel, the following vulnerability has been resolved: fuse: reject oversized dirents in page ca
• CVE-2026-53362 HIGH 7.8 EXPLOITED UPGRADE MITIGATE Linux Kernel Unspecified Vulnerability

FAQ

How do I fix simatic s7-1500 tm mfp 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 simatic s7-1500 tm mfp firmware being exploited right now?

Yes: 1 simatic s7-1500 tm mfp firmware CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which simatic s7-1500 tm mfp firmware CVE should I patch first?

CVE-2026-53362 currently ranks highest (71/100): Linux Kernel Unspecified Vulnerability.

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