CRITICAL
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger an internal buffer overflow in the Wi-Fi firmware, aka B-V2017061204
Published Sep 27, 2017
9.8
CRITICALCVSS 3.0
EPSS 9.13%
Description
On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger an internal buffer overflow in the Wi-Fi firmware, aka B-V2017061204.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
9.13% 0.09129
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09129
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.13% (0.09129) | 95.17th | v5 (v2026.06.15) |
| Sep 22, 2026 | 9.13% (0.09129) | 95.08th | v5 (v2026.06.15) |
| Sep 21, 2026 | 7.82% (0.07821) | 94.49th | v5 (v2026.06.15) |
| Sep 6, 2026 | 9.13% (0.09129) | 94.97th | v5 (v2026.06.15) |
| Sep 5, 2026 | 7.82% (0.07821) | 94.37th | v5 (v2026.06.15) |
| Aug 30, 2026 | 9.13% (0.09129) | 94.94th | v5 (v2026.06.15) |
| Aug 28, 2026 | 7.82% (0.07821) | 94.33th | v5 (v2026.06.15) |
| Aug 24, 2026 | 9.13% (0.09129) | 94.91th | v5 (v2026.06.15) |
| Aug 23, 2026 | 7.82% (0.07821) | 94.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.13% (0.09129) | 94.64th | v5 (v2026.06.15) |
| Mar 30, 2025 | 25.29% (0.25286) | 95.74th | v4 (v2025.03.14) |
| Mar 29, 2025 | 36.44% (0.36444) | 95.58th | v4 (v2025.03.14) |
| Mar 17, 2025 | 25.29% (0.25286) | 95.74th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.76% (0.00762) | 81.35th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.76% (0.00762) | 80.56th | v3 (v2023.03.01) |
| May 8, 2023 | 0.76% (0.00762) | 78.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.77% (0.00771) | 78.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 18.33% (0.18327) | 96.32th | v2 (v2022.01.01) |
| Apr 1, 2022 | 18.33% (0.18327) | 95.99th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.33% (0.18327) | 93.57th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.64% (0.01638) | 33.90th | v1 |
| Jan 6, 2022 | 1.64% (0.01638) | 33.21th | v1 |
| Sep 1, 2021 | 1.64% (0.01638) | 73.32th | v1 |
| Apr 14, 2021 | 1.64% (0.01638) | 0.00th | v1 |
Weaknesses (1)
References (11)
- http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/100984 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1289 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- https://source.android.com/security/bulletin/2017-09-01 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT208112 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/HT208113 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/en-us/HT208112 x_refsource_CONFIRMThird Party Advisory
- https://support.apple.com/en-us/HT208113 x_refsource_CONFIRMThird Party Advisory
- https://www.exploit-db.com/exploits/42784/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 27, 2017
Updated Aug 5, 2024
Reserved Jul 9, 2017
Link CVE-2017-11120
CISA Vulnrichment
Updated n/a