CVE-2019-9502 json
Broadcom wl driver is vulnerable to heap buffer overflow
published 2020-02-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18876
- cvss
- 7.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
2.60% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.9 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.3 | AV:A/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Broadcom WiFi drivers
Classification
References
-
blog.quarkslab.com
/reverse-engineering-broadcom-wireless-chipsets.html
third-party-advisory
-
kb.cert.org
/vuls/id/166939/
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2019-9502
- NVD CVE-2019-9502
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