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i3 firmware vulnerabilities and fixes

Recent CVEs affecting i3 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: i3firmware.

i3 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-04-09. Highest priority: CVE-2026-5841 (score 48/100).

FAQ

How do I fix i3 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 i3 firmware being exploited right now?

None of the tracked i3 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which i3 firmware CVE should I patch first?

CVE-2026-5841 currently ranks highest (48/100): A weakness has been identified in Tenda i3 1.0.0.6(2204).

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