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fh451 firmware vulnerabilities and fixes

Recent CVEs affecting fh451 firmware, with upgrade or downgrade steps. 2 tracked.

Also searched as: fh451firmware.

fh451 firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-03-22. Highest priority: CVE-2026-4535 (score 48/100).

FAQ

How do I fix fh451 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 fh451 firmware being exploited right now?

None of the tracked fh451 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which fh451 firmware CVE should I patch first?

CVE-2026-4535 currently ranks highest (48/100): A vulnerability has been found in Tenda FH451 1.0.0.9.

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