CVE-2023-33027

Buffer Over-read in WLAN Firmware

7.5 High

Transient DOS in WLAN Firmware while parsing rsn ies.

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

0.39%Up 0.3 points since Oct 3, 2023

What each source reports

CVE List Score used 7.5

Buffer Over-read in WLAN Firmware

Transient DOS in WLAN Firmware while parsing rsn ies.

Record: CVE-2023-33027
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-2023-37216 7.5

Transient DOS in WLAN Firmware while parsing rsn ies.

Record: EUVD-2023-37216
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-hxqc-xv34-842x 7.5

Transient DOS in WLAN Firmware while parsing rsn ies.

Transient DOS in WLAN Firmware while parsing rsn ies.

Record: GHSA-hxqc-xv34-842x
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 while parsing rsn ies.

Record: CVE-2023-33027
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
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

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

In short

CVE-2023-33027 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published October 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References