CVE-2017-2712: Huawei s3300 Firmware

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

S3300 V100R006C05 have an Ethernet in the First Mile (EFM) flapping vulnerability due to the lack of type-length-value (TLV) consistency check. An attacker may craft malformed packets and send them to a device to cause EFM flapping.

Affected products

• Huawei s3300 Firmware: version v100r006c05 only

Published 2017-11-22. Last modified 2026-06-17.