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Ar8035 Firmware CVE-2023-28574

HIGH
Improper Input Validation (CWE-20)
2023-11-07 product-security@qualcomm.com
Buffer Overflow Qualcomm Ar8035 Firmware Qam8255p Firmware Qam8650p Firmware Qam8775p Firmware Qamsrv1h Firmware Qca6310 Firmware Qca6320 Firmware Qca6595 Firmware Qca6595au Firmware Qca6696 Firmware Qca6698aq Firmware Qca6797aq Firmware Qca8081 Firmware Qca8337 Firmware Qcc710 Firmware Qcm4490 Firmware Qcm8550 Firmware Qcn6024 Firmware Qcn6224 Firmware Qcn6274 Firmware Qcn9024 Firmware Qcs4490 Firmware Qcs8550 Firmware Qdu1000 Firmware Qdu1010 Firmware Qdu1110 Firmware Qdu1210 Firmware Qdx1010 Firmware Qdx1011 Firmware Qfw7114 Firmware Qfw7124 Firmware Qru1032 Firmware Qru1052 Firmware Qru1062 Firmware Sa8255p Firmware Sa8650p Firmware Sa9000p Firmware Sc8380xp Firmware Sd835 Firmware Sg8275p Firmware Sm8550p Firmware Snapdragon 4 Gen 2 Mobile Platform Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon 835 Mobile Pc Platform Firmware Snapdragon Ar2 Gen 1 Platform Firmware Snapdragon X65 5g Modem Rf System Firmware Snapdragon X70 Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Srv1h Firmware Ssg2115p Firmware Ssg2125p Firmware Sxr1230p Firmware Sxr2230p Firmware Wcd9335 Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9370 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3950 Firmware Wcn3988 Firmware Wcn3990 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware Wcn6750 Firmware Wcn685X 1 Firmware Wcn785X 1 Firmware Wcn685X 5 Firmware Wcn785X 5 Firmware
7.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAI

Memory corruption in core services when Diag handler receives a command to configure event listeners. Rated high severity (CVSS 7.8), 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-20. Memory corruption in core services when Diag handler receives a command to configure event listeners. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Wcn6750 Firmware, Qualcomm Wcn685X-5 Firmware, Qualcomm Wcn685X-1 Firmware, Qualcomm Wcn785X-1 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Memory corruption in core services when Diag handler receives a command to configure event listeners.

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Data Quality
2 sources
Confidence: Low

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 HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
No
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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.

Affected Products (CPE)NVD

cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6310_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6320_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcc710_firmware:-:*:*:*:*:*:*:*
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