What is the CVSS score of CVE-2025-21457?

CVE-2025-21457 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L. EPSS exploitation probability: 0.0%.

Which versions of Ar8035 Firmware are affected by CVE-2025-21457?

Organizations using Information disclosure while opening a fastrpc session when domain should be aware of moderate risk from CVE-2025-21457 rated CVSS 6.1.. A patch is available.

How to fix or mitigate CVE-2025-21457?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Ar8035 Firmware CVE-2025-21457

MEDIUM

Buffer Over-read (CWE-126)

2025-08-06 product-security@qualcomm.com

Buffer Overflow Information Disclosure Ar8035 Firmware Fastconnect 7800 Firmware Qca6584au Firmware Qca6698aq Firmware Qca8081 Firmware Qca8337 Firmware Qcc710 Firmware Qcn6224 Firmware Qcn6274 Firmware Qfw7114 Firmware Qfw7124 Firmware Snapdragon Auto 5g Modem Rf Gen 2 Firmware Snapdragon X72 5g Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Wcd9340 Firmware

6.1

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

Patch released

Mar 28, 2026 - 19:05 nvd

Patch available

CVE Published

Aug 06, 2025 - 08:15 nvd

MEDIUM 6.1

DescriptionNVD

Information disclosure while opening a fastrpc session when domain is not sanitized.

AnalysisAI

Information disclosure while opening a fastrpc session when domain is not sanitized. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-126. Information disclosure while opening a fastrpc session when domain is not sanitized. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca6584Au Firmware, Qualcomm Qca6698Aq Firmware, Qualcomm Qca8081 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-21457 vulnerability details – vuln.today

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