qca6420 firmware vulnerabilities and fixes

Recent CVEs affecting qca6420 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: qca6420firmware.

qca6420 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-02-02. Highest priority: CVE-2025-47359 (score 28/100).

• CVE-2025-47359 HIGH 7.8 MITIGATE MITIGATE Memory Corruption when multiple threads simultaneously access a memory free API.

FAQ

How do I fix qca6420 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 qca6420 firmware being exploited right now?

None of the tracked qca6420 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which qca6420 firmware CVE should I patch first?

CVE-2025-47359 currently ranks highest (28/100): Memory Corruption when multiple threads simultaneously access a memory free API..

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