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Ar8035 Firmware CVE-2025-21434

HIGH
Buffer Over-read (CWE-126)
2025-04-07 product-security@qualcomm.com
Buffer Overflow Ar8035 Firmware Fastconnect 6700 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Qam8255p Firmware Qam8295p Firmware Qam8620p Firmware Qam8650p Firmware Qam8775p Firmware Qamsrv1h Firmware Qamsrv1m Firmware Qca6391 Firmware Qca6554a Firmware Qca6564au Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595 Firmware Qca6595au Firmware Qca6678aq Firmware Qca6688aq Firmware Qca6696 Firmware Qca6698aq Firmware Qca6777aq Firmware Qca6787aq Firmware Qca6797aq Firmware Qca8081 Firmware Qca8337 Firmware Qcc2073 Firmware Qcc2076 Firmware Qcc710 Firmware Qcm5430 Firmware Qcm6490 Firmware Qcm8550 Firmware Qcn6224 Firmware Qcn6274 Firmware Qcn9011 Firmware Qcn9012 Firmware Qcn9274 Firmware Qcs5430 Firmware Qcs615 Firmware Qcs6490 Firmware Qcs7230 Firmware Qcs8250 Firmware Qcs8300 Firmware Qcs8550 Firmware Qcs9100 Firmware Qfw7114 Firmware Qfw7124 Firmware Qmp1000 Firmware Sa6155p Firmware Sa7255p Firmware Sa7775p Firmware Sa8155p Firmware Sa8195p Firmware Sa8255p Firmware Sa8295p Firmware Sa8530p Firmware Sa8540p Firmware Sa8620p Firmware Sa8650p Firmware Sa8770p Firmware Sa8775p Firmware Sa9000p Firmware Sg8275p Firmware Sm6650 Firmware Sm7635 Firmware Sm7675 Firmware Sm7675p Firmware Sm8550p Firmware Sm8635 Firmware Sm8635p Firmware Sm8650q Firmware Sm8735 Firmware Sm8750 Firmware Sm8750p Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon 8 Gen 3 Mobile Platform Firmware Snapdragon Ar1 Gen 1 Platform Firmware Snapdragon Ar2 Gen 1 Platform Firmware Snapdragon Auto 5g Modem Rf Gen 2 Firmware Snapdragon X72 5g Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Srv1h Firmware Srv1l Firmware Srv1m Firmware Ssg2115p Firmware Ssg2125p Firmware Sxr1230p Firmware Sxr2230p Firmware Sxr2250p Firmware Sxr2330p Firmware Video Collaboration Vc3 Platform Firmware Video Collaboration Vc5 Platform Firmware Vision Intelligence 400 Platform Firmware Wcd9335 Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9378 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3990 Firmware Wcn6650 Firmware Wcn6755 Firmware Wcn7750 Firmware Wcn7860 Firmware Wcn7861 Firmware Wcn7880 Firmware Wcn7881 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware Snapdragon Ar1 Gen 1 Platform Luna1 Firmware
7.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:35 vuln.today
CVE Published
Apr 07, 2025 - 11:15 nvd
HIGH 7.5

DescriptionNVD

Transient DOS may occur while parsing EHT operation IE or EHT capability IE.

AnalysisAI

Transient DOS may occur while parsing EHT operation IE or EHT capability IE. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-126. Transient DOS may occur while parsing EHT operation IE or EHT capability IE. Affected products include: Qualcomm Qcs8300 Firmware, Qualcomm Qcs8550 Firmware, Qualcomm Qcs9100 Firmware, Qualcomm Qfw7114 Firmware, Qualcomm Qfw7124 Firmware.

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.

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CVE-2025-21434 vulnerability details – vuln.today
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