Overview
On May 12, 2021, the researcher Mathy Vanhoef released a security advisory disclosing multiple medium severity CVEs for the 802.11 Wireless Network Specification, which is applicable to a wide variety of WiFi products. These vulnerabilities can be triggered by an adjacent attacker. If exploited, these vulnerabilities may lead to information disclosure under certain conditions, as well as unauthorized participation in a vulnerable network.
Sophos customers using any of the products mentioned below are impacted. If you are not using these products, you are not impacted.
Applies to the following Sophos product(s) and version(s)
- Sophos Firewall (XG and XGS) products with both integrated and add-on WiFi modules
- Sophos UTM (SG) products with both integrated and add-on WiFi modules
- APX 120, APX 320/X, APX 530, APX 740 access points (all management platforms)
- AP 100/C/X, AP 55/C, AP 15/C access points (all management platforms)
- RED and SD-RED with both integrated and add-on WiFi modules
Remediation
Sophos is working on porting available patches to the impacted firmware versions for all of the products above.
Targeted Update Timelines
|
Product |
Release |
Release date |
|
XGS LocalWiFi/optional WiFi - 18.5 MR1 |
SFOS 18.5 MR1 |
2021 November |
|
XG(S) managed APX(APX120, APX320, APX530, APX740) |
SFOS 17.5 MR12 and later |
2021 July |
|
XG LocalWiFi/optional WiFi - 18MR6 |
SFOS 18.0 MR6 (MR5 + frag fixes) |
2021 September |
|
XG LocalWiFi/optional WiFi - 17.5MR17 |
SFOS 17.5 MR17 (MR16 + frag fixes) |
2021 December |
|
XG(S)/SG managed RED and SD-RED WiFi RED 3.0.007 |
SFOS 18 MR3 and later |
2021 October |
|
XG(S)/SG managed AP(AP100/C/X, AP55/C, AP15/C) Firmware: WiFi FW 11.0.017 |
SFOS 18 MR3 and later |
2021 December |
|
SG LocalWiFi/optional WiFi (Including AP, APX & RED) |
UTM 9.7 MR9 (9.709) |
2022 January |
|
Central managed APX(APX120, APX320/X, APX530, APX740) |
Cwifi v2.3.3 |
2021 August |
|
Central managed AP(AP100/C/X, AP55/C, AP15/C) |
Cwifi v2.3.3 |
2021 August |
Sophos will update this page with the latest information as it becomes available.