Buffer overflow in Broadcom Bcm4339
CVE-2019-9501
The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlc_wpa_sup_eapol. In the worst case scenario, b…
Vulnerability class: Buffer Overflow
EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Broadcom Bcm4339
- Broadcom Bcm4339_firmware
- Broadcom Wifi Drivers — versions wl
- Synology Router_manager — versions 1.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cret@cert.org (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-9501?
- CVE-2019-9501 is a high-severity vulnerability in Broadcom Bcm4339, classified under Heap-based Buffer Overflow. CVSS score: 7.9/10. Published 2020-02-03.
- How severe is CVE-2019-9501?
- High severity. CVSS v3 base score is 7.9 out of 10.
- Is CVE-2019-9501 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.