CVE-2025-21438

HIGH
2025-04-07 [email protected]
7.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:35 vuln.today
CVE Published
Apr 07, 2025 - 11:15 nvd
HIGH 7.8

Tags

Information Disclosure Buffer Overflow Fastconnect 6200 Firmware Fastconnect 6700 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Qca6164 Firmware Qca6174 Firmware Qca6174a Firmware Qca6595au Firmware Qca9377 Firmware Qcm5430 Firmware Qcm6490 Firmware Qcn7605 Firmware Qcn7606 Firmware Qcs5430 Firmware Qcs6490 Firmware Video Collaboration Vc3 Platform Firmware Sc8180X Sdx55 Firmware Sc8380xp Firmware Sm6250 Firmware Snapdragon 7C Compute Platform Sc7180 Ac Firmware Snapdragon 7C Gen 2 Compute Platform Sc7180 Ad Rennell Pro Firmware Snapdragon 7C Gen 3 Compute Firmware Snapdragon 8C Compute Platform Sc8180X Ad Firmware Snapdragon 8C Compute Platform Sc8180Xp Ad Firmware Snapdragon 8Cx Compute Platform Sc8180X Aa Firmware Snapdragon 8Cx Compute Platform Sc8180X Ab Firmware Snapdragon 8Cx Compute Platform Sc8180Xp Ac Firmware Snapdragon 8Cx Compute Platform Sc8180Xp Af Firmware Snapdragon 8Cx Gen 2 5G Compute Platform Sc8180X Ac Firmware Snapdragon 8Cx Gen 2 5G Compute Platform Sc8180X Af Firmware Snapdragon 8Cx Gen 2 5G Compute Platform Sc8180Xp Aa Firmware Snapdragon 8Cx Gen 2 5G Compute Platform Sc8180Xp Ab Firmware Snapdragon 8Cx Gen 3 Compute Platform Sc8280Xp Ab Firmware Snapdragon 8Cx Gen 3 Compute Platform Sc8280Xp Bb Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9380 Firmware Wcd9385 Firmware Wsa8830 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware

Description

Memory corruption while IOCTL call is invoked from user-space to read board data.

Analysis

Memory corruption while IOCTL call is invoked from user-space to read board data. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Memory corruption while IOCTL call is invoked from user-space to read board data. Affected products include: Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca6164 Firmware.

Affected Products

Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca6164 Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +39
POC: 0

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CVE-2025-21438 vulnerability details – vuln.today
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