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CVE-2023-33089

NULL Pointer Dereference in WLAN Firmware

7.5 High

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

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

0.47%Up 0.4 points since Dec 5, 2023
90%50%10%1%

What each source reports

CVE List Score used 7.5

NULL Pointer Dereference in WLAN Firmware

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

Record
CVE-2023-33089
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-476
Updated
2026-11-02
EUVDEUVD-2023-37278 7.5

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

Record
EUVD-2023-37278
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
2026-11-03
GitHub AdvisoriesGHSA-28qw-8jmg-32wx 7.5

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

Record
GHSA-28qw-8jmg-32wx
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-476
Updated
2026-11-02
NVD 7.5

Transient DOS when processing a NULL buffer while parsing WLAN vdev.

Record
CVE-2023-33089
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-476
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-2023-33089 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published December 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. No source names a fixed version.

References

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