modem 5400 firmware vulnerabilities and fixes

Recent CVEs affecting modem 5400 firmware, with upgrade or downgrade steps. 1 tracked.

Also searched as: modem5400firmware.

modem 5400 firmware has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-07-07. Highest priority: CVE-2025-26780 (score 40/100).

• CVE-2025-26780 HIGH 7.5 MITIGATE MITIGATE An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400

FAQ

How do I fix modem 5400 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 modem 5400 firmware being exploited right now?

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

Which modem 5400 firmware CVE should I patch first?

CVE-2025-26780 currently ranks highest (40/100): An issue was discovered in L2 in Samsung Mobile Processor and Modem Exynos 2400 and Modem 5400.

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