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q2c firmware vulnerabilities and fixes

Recent CVEs affecting q2c firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: q2cfirmware.

q2c firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-02-03. Highest priority: CVE-2025-69431 (score 32/100).

FAQ

How do I fix q2c 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 q2c firmware being exploited right now?

None of the tracked q2c firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which q2c firmware CVE should I patch first?

CVE-2025-69431 currently ranks highest (32/100): The ZSPACE Q2C NAS contains a vulnerability related to incorrect symbolic link following.

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