Buffer Over-read in WLAN Firmware

published 2024-02-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47939

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

Transient DOS in WLAN Firmware when the length of received beacon is less than length of ieee802.11 beacon frame.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-05-08)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-126 Buffer Over-read
CWE-125 Out-of-bounds Read

References

qualcomm.com /company/product-security/bulletins/february-2024-bulletin
vendor-advisory

Sources

CVE List CVE-2023-43533
NVD CVE-2023-43533

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