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Ar8035 Firmware CVE-2023-33028

CRITICAL
Stack-based Buffer Overflow (CWE-121)
2023-10-03 product-security@qualcomm.com
Buffer Overflow Stack Overflow Qualcomm Ar8035 Firmware Ar9380 Firmware Csr8811 Firmware Immersive Home 214 Platform Firmware Immersive Home 216 Platform Firmware Immersive Home 316 Platform Firmware Immersive Home 318 Platform Firmware Immersive Home 3210 Platform Firmware Immersive Home 326 Platform Firmware Ipq5010 Firmware Ipq5028 Firmware Ipq5332 Firmware Ipq6000 Firmware Ipq6010 Firmware Ipq6018 Firmware Ipq6028 Firmware Ipq8064 Firmware Ipq8065 Firmware Ipq8068 Firmware Ipq8070a Firmware Ipq8071a Firmware Ipq8072a Firmware Ipq8074a Firmware Ipq8076 Firmware Ipq8076a Firmware Ipq8078 Firmware Ipq8078a Firmware Ipq8173 Firmware Ipq8174 Firmware Ipq9008 Firmware Ipq9554 Firmware Ipq9570 Firmware Ipq9574 Firmware Qam8255p Firmware Qam8295p Firmware Qam8650p Firmware Qam8775p Firmware Qca0000 Firmware Qca2062 Firmware Qca2064 Firmware Qca2065 Firmware Qca2066 Firmware Qca4024 Firmware Qca6391 Firmware Qca6426 Firmware Qca6436 Firmware Qca6554a Firmware Qca6564au Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595 Firmware Qca6595au Firmware Qca6678aq Firmware Qca6696 Firmware Qca6698aq Firmware Qca6797aq Firmware Qca8072 Firmware Qca8075 Firmware Qca8081 Firmware Qca8082 Firmware Qca8084 Firmware Qca8085 Firmware Qca8337 Firmware Qca8386 Firmware Qca9886 Firmware Qca9888 Firmware Qca9889 Firmware Qca9980 Firmware Qca9984 Firmware Qca9985 Firmware Qca9986 Firmware Qca9990 Firmware Qca9992 Firmware Qca9994 Firmware Qcc2073 Firmware Qcc2076 Firmware Qcc710 Firmware Qcf8001 Firmware Qcm4490 Firmware Qcm6490 Firmware Qcm8550 Firmware Qcn5022 Firmware Qcn5024 Firmware Qcn5052 Firmware Qcn5054 Firmware Qcn5122 Firmware Qcn5124 Firmware Qcn5152 Firmware Qcn5154 Firmware Qcn5164 Firmware Qcn6023 Firmware Qcn6024 Firmware Qcn6100 Firmware Qcn6102 Firmware Qcn6112 Firmware Qcn6122 Firmware Qcn6132 Firmware Qcn6224 Firmware Qcn6274 Firmware Qcn9000 Firmware Qcn9001 Firmware Qcn9002 Firmware Qcn9003 Firmware Qcn9012 Firmware Qcn9022 Firmware Qcn9024 Firmware Qcn9070 Firmware Qcn9072 Firmware Qcn9074 Firmware Qcn9100 Firmware Qcn9274 Firmware Qcs4490 Firmware Qcs6490 Firmware Qcs8550 Firmware Qfw7114 Firmware Qfw7124 Firmware Qsm8350 Firmware Sa8255p Firmware Sa8295p Firmware Sd 8 Gen1 5g Firmware Sd865 5g Firmware Sd888 Firmware Sdx55 Firmware Sdx65m Firmware Sg8275p Firmware Sm8550p Firmware Snapdragon 780g 5g Mobile Platform Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon 865 5g Mobile Platform Firmware Snapdragon 888 5g Mobile Platform Firmware Snapdragon Ar2 Gen 1 Platform Firmware Snapdragon Auto 5g Modem Rf Firmware Snapdragon X55 5g Modem Rf System Firmware Snapdragon X65 5g Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Snapdragon Xr2 5g Platform Firmware Ssg2115p Firmware Ssg2125p Firmware Sxr1230p Firmware Sxr2130 Firmware Sxr2230p Firmware Video Collaboration Vc3 Platform Firmware Wcd9340 Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3950 Firmware Wcn6740 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware Sm8475 Firmware Qcn9013 Firmware Wcn6750 Firmware Qca6390 Firmware Sm8450 Firmware Wcn685X 1 Firmware Wcn785X 1 Firmware Wcn685X 5 Firmware Wcn785X 5 Firmware Sm8250 Ab Firmware Sm8250 Ac Firmware Sm8350 Ac Firmware Sc8280Xp Ab Firmware Sc8280Xp Bb Firmware
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Memory corruption in WLAN Firmware while doing a memory copy of pmk cache. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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-121. Memory corruption in WLAN Firmware while doing a memory copy of pmk cache. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Wcn6750 Firmware, Qualcomm Qca6390 Firmware.

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  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.

Threat Intelligence Overview

EPSS Score
0.5%
Top 58% 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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
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.

A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.

Affected Products (CPE)NVD

cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6390_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:immersive_home_214_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_216_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_316_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_318_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_3210_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:immersive_home_326_platform_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5332_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
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