# New security vulnerabilities affecting almost all WLAN-Devices

**URL:** <https://community.ipfire.org/t/new-security-vulnerabilities-affecting-almost-all-wlan-devices/5392>\
**Category:** Security\
**Created:** [13 May 2021 17:09 UTC](https://community.ipfire.org/t/new-security-vulnerabilities-affecting-almost-all-wlan-devices/5392 "2021-05-13T17:09:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tofficap](https://community.ipfire.org/user_avatar/community.ipfire.org/tofficap/32/13017_2.png) [@tofficap](https://community.ipfire.org/u/tofficap)\
**Post date:** [13 May 2021 17:09 UTC](https://community.ipfire.org/t/new-security-vulnerabilities-affecting-almost-all-wlan-devices/5392/1 "2021-05-13T17:09:33Z")

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There are new security vulnerabilities called FRAG attacks, published by security researchers on Tuesday, May 11, 2021  
Almost all WLAN devices are affected. All security protocols from WEP to WPA3 are affected.

[actual BSI information](https://www.bsi.bund.de/SharedDocs/Cybersicherheitswarnungen/DE/2021/2021-216748-1032.pdf?__blob=publicationFile%26amp;v=3)

[information about FRAG attacks](https://www.fragattacks.com/)

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**Author:** ![peppetech](https://community.ipfire.org/user_avatar/community.ipfire.org/peppetech/32/12711_2.png) [@peppetech](https://community.ipfire.org/u/peppetech)\
**Post date:** [24 May 2021 00:10 UTC](https://community.ipfire.org/t/new-security-vulnerabilities-affecting-almost-all-wlan-devices/5392/2 "2021-05-24T00:10:44Z")

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This could be of value for someone dealing with Wifi security  
[https://www.fragattacks.com/](https://www.fragattacks.com/)

Example attack: make client use a malicious DNS server or bypass the AP’s NATto directly access local devices