a300 firmware vulnerabilities and fixes

Recent CVEs affecting a300 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: a300firmware.

a300 firmware has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-29. Highest priority: CVE-2018-25318 (score 60/100).

• CVE-2018-25318 CRITICAL 9.8 MITIGATE MITIGATE Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated at

FAQ

How do I fix a300 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 a300 firmware being exploited right now?

None of the tracked a300 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which a300 firmware CVE should I patch first?

CVE-2018-25318 currently ranks highest (60/100): Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated at.

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