seaconnect 370w firmware vulnerabilities and fixes

Recent CVEs affecting seaconnect 370w firmware, with upgrade or downgrade steps. 12 tracked.

Also searched as: seaconnect370wfirmware.

seaconnect 370w firmware has 12 tracked vulnerabilities, 3 critical. A fixed release or vendor patch exists for 0. Most recent: 2022-04-14. Highest priority: CVE-2021-21961 (score 66/100).

• CVE-2021-21971 MEDIUM 5.9 MITIGATE An out-of-bounds write vulnerability exists in the URL_decode functionality of Sealevel Systems, Inc
• CVE-2021-21970 HIGH 8.1 MITIGATE An out-of-bounds write vulnerability exists in the HandleSeaCloudMessage functionality of Sealevel Systems, In
• CVE-2021-21969 HIGH 8.1 MITIGATE An out-of-bounds write vulnerability exists in the HandleSeaCloudMessage functionality of Sealevel Systems, In
• CVE-2021-21968 HIGH 8.3 MITIGATE A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc
• CVE-2021-21967 MEDIUM 5.9 MITIGATE An out-of-bounds write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc
• CVE-2021-21965 CRITICAL 9.3 MITIGATE A denial of service vulnerability exists in the SeaMax remote configuration functionality of Sealevel Systems,
• CVE-2021-21964 HIGH 7.4 MITIGATE A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc
• CVE-2021-21963 MEDIUM 5.9 MITIGATE An information disclosure vulnerability exists in the Web Server functionality of Sealevel Systems, Inc
• CVE-2021-21962 HIGH 8.1 MITIGATE A heap-based buffer overflow vulnerability exists in the OTA Update u-download functionality of Sealevel Syste
• CVE-2021-21961 CRITICAL 10.0 MITIGATE A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc
• CVE-2021-21960 CRITICAL 10.0 MITIGATE A stack-based buffer overflow vulnerability exists in both the LLMNR functionality of Sealevel Systems, Inc
• CVE-2021-21959 HIGH 8.1 MITIGATE A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc

FAQ

How do I fix seaconnect 370w 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 seaconnect 370w firmware being exploited right now?

None of the tracked seaconnect 370w firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which seaconnect 370w firmware CVE should I patch first?

CVE-2021-21961 currently ranks highest (66/100): A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc.

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