gr-5400ax firmware vulnerabilities and fixes

Recent CVEs affecting gr-5400ax firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: gr 5400ax firmware, gr-5400axfirmware.

gr-5400ax firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-05-25. Highest priority: CVE-2025-5156 (score 46/100).

• CVE-2025-5156 HIGH 8.8 UPGRADE A vulnerability was found in H3C GR-5400AX up to 100R008 and classified as critical

FAQ

How do I fix gr-5400ax 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 gr-5400ax firmware being exploited right now?

None of the tracked gr-5400ax firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which gr-5400ax firmware CVE should I patch first?

CVE-2025-5156 currently ranks highest (46/100): A vulnerability was found in H3C GR-5400AX up to 100R008 and classified as critical.

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