4.1 ATWILC Baremetal v4.8

The release contains the following changes:-

  1. Deprecated support for WEP authentication on WILC1000/3000
  2. Improved 802.11b carrier suppression on WILC1000
  3. Improved Gain tables for WILC1000 and WILC3000
  4. Countermeasures for the ‘FragAttacks’ vulnerabilities (see table below)
Vulnerability#Description
CVE-2020-26140Accepting plaintext data frames in a protected network
CVE-2020-26143 Accepting fragmented plaintext data frames in a protected network
CVE-2020-24588 Accepting non-SPP A-MSDU frames
CVE-2020-24586 Not clearing fragments from memory when (re)connecting to a network
CVE-2020-26139Forwarding EAPOL frames even though the sender is not yet authenticated
CVE-2020-26147 Reassembling mixed encrypted/plaintext fragments
CVE-2020-26146Reassembling encrypted fragments with non-consecutive packet numbers
CVE-2020-26144Accepting plaintext A-MSDU frames that start with an RFC1042 header with EtherType