01 Record
CVE-2017-11121
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 86.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-09-27 17:00Z9 YR AGO
- Last updated
- 2024-08-05 17:57Z2 YR AGO
- Reserved
- 2017-07-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 16a89d1215a1f60f67486cf0efa49488874e5938f93c0413c868ca5a0e12bb65
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securityfocus.com100984http://www.securityfocus.com/bid/100984
- source.android.comhttps://source.android.com/security/bulletin/2017-09-01
- lists.apple.comAPPLE-SA-2017-09-25-4https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
- lists.apple.comAPPLE-SA-2017-09-25-6https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html
- support.apple.comhttps://support.apple.com/en-us/HT208113
- bugs.chromium.orghttps://bugs.chromium.org/p/project-zero/issues/detail?id=1291
- support.apple.comhttps://support.apple.com/en-us/HT208112
- support.apple.comhttps://support.apple.com/HT208113
- support.apple.comhttps://support.apple.com/HT208112