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01 Record

CVE-2018-11856

Improper input validation leads to buffer overwrite in the WLAN function that handles WMI commands in Snapdragon Mobile in version SD 835, SD 845, SD 850.

UnratedPUBLISHEDCNA: qualcomm
CNA base scoreUnratedNo CNA CVSS vector

02 Description

Improper input validation leads to buffer overwrite in the WLAN function that handles WMI commands in Snapdragon Mobile in version SD 835, SD 845, SD 850.

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
0.25% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 17.1% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/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
2018-10-29 18:00Z8 YR AGO
Last updated
2024-08-05 08:17Z2 YR AGO
Reserved
2018-06-07
Assigning CNA
qualcomm
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
97ef86326d065a36f60faaa0385299b52d3c63b20f7e8a66a211664e56da15a0

05 Affected products

VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon MobileSD 835, SD 845, SD 850—

06 References