A vulnerability in the quality of service (QoS) feature of Cisco Aironet Series Access Points (APs) could allow an authenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation on QoS fields within Wi-Fi frames by the affected device. An attacker could exploit this vulnerability by sending malformed Wi-Fi frames to an affected device. A successful exploit could allow the attacker to cause the affected device to crash, resulting in a DoS condition.
Published 2019-04-18 02:29:05
Updated 2019-10-09 23:48:16
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2019-1826

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-1826

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
MEDIUM AV:A/AC:L/Au:S/C:N/I:N/A:C
5.1
6.9
NIST
5.7
MEDIUM CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1
3.6
NIST
6.8
MEDIUM CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
2.3
4.0
Cisco Systems, Inc.

CWE ids for CVE-2019-1826

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-1826

Products affected by CVE-2019-1826

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