CVE-2025-21448

Buffer Over-read in WLAN Firmware

7.5 High

Transient DOS may occur while parsing SSID in action frames.

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

0.27%Up 0.2 points since Apr 7, 2025

What each source reports

CVE List Score used 7.5

Buffer Over-read in WLAN Firmware

Transient DOS may occur while parsing SSID in action frames.

Record: CVE-2025-21448
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-2025-9987 7.5

Transient DOS may occur while parsing SSID in action frames.

Record: EUVD-2025-9987
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-f4p6-w7ph-5gqm 7.5

Transient DOS may occur while parsing SSID in action frames.

Transient DOS may occur while parsing SSID in action frames.

Record: GHSA-f4p6-w7ph-5gqm
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

NVD 7.5

Transient DOS may occur while parsing SSID in action frames.

Record: CVE-2025-21448
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

Affected products

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History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

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

In short

CVE-2025-21448 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published April 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th 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