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CVE-2023-43533

Buffer Over-read in WLAN Firmware

7.5 High

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.32%Up 0.3 points since Feb 8, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.5

Buffer Over-read in WLAN Firmware

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

Record
CVE-2023-43533
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-126
Updated
2026-11-02
EUVDEUVD-2023-47939 7.5

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

Record
EUVD-2023-47939
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-3xhr-vwcx-8p3c 7.5

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

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

Record
GHSA-3xhr-vwcx-8p3c
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-125, CWE-126
Updated
2026-11-02
NVD 7.5

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

Record
CVE-2023-43533
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-126, CWE-125
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-43533 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published February 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.

References

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