Description
The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. If the vendor information element data length is larger than 164 bytes, a heap buffer overflow is triggered in wlc_wpa_plumb_gtk. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.
References (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html
Third Party Advisory, US Government Resource x_refsource_misc
https://kb.cert.org/vuls/id/166939/
Scores
CVSS v3
7.9
EPSS
0.0141
EPSS Percentile
80.6%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Details
CWE
CWE-122
CWE-787
Status
published
Products (2)
broadcom/bcm4339_firmware
synology/router_manager
1.2
Published
Feb 03, 2020
Tracked Since
Feb 18, 2026