zx297520v3 firmware vulnerabilities and fixes

Recent CVEs affecting zx297520v3 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: zx297520v3firmware.

zx297520v3 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-05-07. Highest priority: CVE-2026-40003 (score 23/100).

• CVE-2026-40003 MEDIUM 5.1 MITIGATE ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB

FAQ

How do I fix zx297520v3 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 zx297520v3 firmware being exploited right now?

None of the tracked zx297520v3 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which zx297520v3 firmware CVE should I patch first?

CVE-2026-40003 currently ranks highest (23/100): ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB.

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