CVE-2017-6957 json
Stack-based buffer overflow in the firmware in Broadcom Wi-Fi HardMAC SoC chips, when the firmware supports CCKM Fast and Secure Roaming an…
published 2017-03-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15995
- cvss
- 8.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.6%
- EPSS 4.6% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
Stack-based buffer overflow in the firmware in Broadcom Wi-Fi HardMAC SoC chips, when the firmware supports CCKM Fast and Secure Roaming and the feature is enabled in RAM, allows remote attackers to execute arbitrary code via a crafted reassociation response frame with a Cisco IE (156).
Exploit prediction
4.59% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
packetstormsecurity.com
/files/141803/Broadcom-Stack-Buffer-Overflow.html
exploit, third-party-advisory, vdb-entry
-
securityfocus.com
/bid/97054
vdb-entry, third-party-advisory
-
bugs.chromium.org
/p/project-zero/issues/detail?id=1051
third-party-advisory
Sources
- CVE List CVE-2017-6957
- NVD CVE-2017-6957
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.