What is the CVSS score of CVE-2025-27033?

CVE-2025-27033 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%.

How to fix or mitigate CVE-2025-27033?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Qca6698aq Firmware CVE-2025-27033

MEDIUM

Buffer Over-read (CWE-126)

2025-09-24 product-security@qualcomm.com

Buffer Overflow Information Disclosure Qualcomm Qca6698aq Firmware Qcm5430 Firmware Qcm6490 Firmware Qcm8550 Firmware Qcn9274 Firmware Qcs5430 Firmware Qcs615 Firmware Qcs6490 Firmware Qcs8550 Firmware Qcs9100 Firmware Sm6650 Firmware Sm7635 Firmware Sm7675 Firmware Sm7675p Firmware Sm8635 Firmware Sm8635p Firmware Sm8650q Firmware Sm8750 Firmware Sm8750p Firmware Sxr2330p Firmware Wcn6650 Firmware Wcn6755 Firmware Wcn7860 Firmware Wcn7861 Firmware Wcn7880 Firmware Wcn7881 Firmware Sm8650 Firmware Sm8650P Firmware Wcn6750 Firmware Wcn6856 Firmware Wcn7850 Firmware Wcn7851 Firmware

6.1

CVSS 3.1 · Vendor: qualcomm

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Vulnerability Assessment

Weakness	CWE CWE-126 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Buffer over-read prevention
Impact	CVSS score of 6.1 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.01%.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Information disclosure while running video usecase having rogue firmware. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-126. Information disclosure while running video usecase having rogue firmware. Affected products include: Qualcomm Qcm5430 Firmware, Qualcomm Qcm6490 Firmware, Qualcomm Qcs5430 Firmware, Qualcomm Qcs6490 Firmware, Qualcomm Qcm8550 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (qualcomm) PRIMARY 6.1 MEDIUM

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

Primary rating from Vendor (qualcomm) · only source for this CVE.

CVSS VectorVendor: qualcomm

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

Low

DescriptionCVE.org

Information disclosure while running video usecase having rogue firmware.

Executive ViewAI

Why It Matters

CVE-2025-27033 presents moderate security risk rated CVSS 6.1. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 98% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +30

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:qualcomm:qcm5430_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs5430_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs6490_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcm8550_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs8550_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs615_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:qcs9100_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm6650_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm7635_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8650_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8650p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8650q_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm7675_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm7675p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8635_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8635p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8750_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sm8750p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sxr2330p_firmware:-:*:*:*:*:*:*:*

+ 12 more

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References

Advisories & patches

ADVISORY https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html ADVISORY https://vuldb.com/vuln/325728

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GitHub PoC

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