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    CVE-2019-15126

    An issue was discovered on Broadcom Wi-Fi client devices. Specifically timed and handcrafted traffic can cause internal errors (related to state transitions) in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic, a different vulnerability than CVE-2019-9500, CVE-2019-9501, CVE-2019-9502, and CVE-2019-9503.

    Published:Feb 5, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 5, 2020
    EPSS Score:0.07993
    CVSS Score:3.1

    Affected Products

    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Mac Os X
    Vendor
    Broadcom
    Product
    Bcm43012
    Vendor
    Broadcom
    Product
    Bcm43012 Firmware
    Vendor
    Broadcom
    Product
    Bcm43013
    Vendor
    Broadcom
    Product
    Bcm43013 Firmware
    Vendor
    Broadcom
    Product
    Bcm4356
    Vendor
    Broadcom
    Product
    Bcm4356 Firmware
    Vendor
    Broadcom
    Product
    Bcm4375
    Vendor
    Broadcom
    Product
    Bcm43752
    Vendor
    Broadcom
    Product
    Bcm43752 Firmware
    Vendor
    Broadcom
    Product
    Bcm4375 Firmware
    Vendor
    Broadcom
    Product
    Bcm4389
    Vendor
    Broadcom
    Product
    Bcm4389 Firmware

    Exploits

    https://www.exploit-db.com/exploits/48233https://github.com/0x13enny/kr00khttps://github.com/akabe1/kr00kerhttps://github.com/hexway/r00kie-kr00kie

    Related CVEs

    CVE-2026-65367 (CVSS 5.5) — A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and…
    CVE-2026-43670 (CVSS 8.8) — A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue …
    CVE-2026-65331 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 …
    CVE-2026-64760 (CVSS 5.5) — An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS…
    CVE-2026-43794 (CVSS 8.8) — A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65346 (CVSS 8.8) — An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS…
    CVE-2026-65351 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 a…
    CVE-2026-64782 (CVSS 3.1) — A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65347 (CVSS 6.5) — The issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe…
    CVE-2026-43795 (CVSS 4.3) — The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and i…

    References

    http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html
    http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt
    http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en
    http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en
    https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf
    https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001
    https://support.apple.com/kb/HT210721
    https://support.apple.com/kb/HT210722
    https://support.apple.com/kb/HT210788
    https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure
    https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05
    https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/
    https://www.synology.com/security/advisory/Synology_SA_20_03
    http://packetstormsecurity.com/files/156809/Broadcom-Wi-Fi-KR00K-Proof-Of-Concept.html
    http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-003.txt
    http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-01-wifi-en
    http://www.huawei.com/en/psirt/security-notices/huawei-sn-20200228-01-kr00k-en
    https://cert-portal.siemens.com/productcert/pdf/ssa-712518.pdf
    https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0001
    https://support.apple.com/kb/HT210721
    https://support.apple.com/kb/HT210722
    https://support.apple.com/kb/HT210788
    https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-wi-fi-info-disclosure
    https://us-cert.cisa.gov/ics/advisories/icsa-20-224-05
    https://www.mist.com/documentation/mist-security-advisory-kr00k-attack-faq/
    https://www.synology.com/security/advisory/Synology_SA_20_03

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High