4g300 firmware vulnerabilities and fixes

Recent CVEs affecting 4g300 firmware, with upgrade or downgrade steps. 2 tracked.

Also searched as: 4g300firmware.

4g300 firmware has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-04-30. Highest priority: CVE-2026-7470 (score 42/100).

• CVE-2026-7469 MEDIUM 6.3 MITIGATE A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01
• CVE-2026-7470 HIGH 8.8 MITIGATE A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01

FAQ

How do I fix 4g300 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 4g300 firmware being exploited right now?

None of the tracked 4g300 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which 4g300 firmware CVE should I patch first?

CVE-2026-7470 currently ranks highest (42/100): A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01.

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