Buffer copy without checking size of input in WLAN Firmware

published 2023-02-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43789

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in reassoc response frame.

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-787 Out-of-bounds Write

References

qualcomm.com /company/product-security/bulletins/february-2023-bulletin
vendor-advisory

Sources

CVE List CVE-2022-40514
NVD CVE-2022-40514

Fencer Vulns 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.

Summary