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Fastconnect 6200 Firmware CVE-2025-21488

HIGH
Buffer Over-read (CWE-126)
2025-09-24 product-security@qualcomm.com
Buffer Overflow Information Disclosure Fastconnect 6200 Firmware Fastconnect 6700 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Msm8996au Firmware Qca6564 Firmware Qca6564a Firmware Qca6564au Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6595au Firmware Qca6696 Firmware Qcm4490 Firmware Qcs410 Firmware Qcs4490 Firmware Qcs610 Firmware Qmp1000 Firmware Video Collaboration Vc1 Platform Firmware Video Collaboration Vc3 Platform Firmware Sa6145p Firmware Sa6155 Firmware Sa6155p Firmware Sa8155 Firmware Sa8155p Firmware Sd 8 Gen1 5g Firmware Sd660 Firmware Sd670 Firmware Sd865 5g Firmware Sdm429w Firmware Sg4150p Firmware Sm4125 Firmware Sm4635 Firmware Sm6370 Firmware Sm6650 Firmware Sm7635 Firmware Sm7675 Firmware Sm7675p Firmware Sm8550p Firmware Sm8635 Firmware Sm8635p Firmware Sm8650q Firmware Sm8735 Firmware Sm8750 Firmware Sm8750p Firmware Snapdragon 4 Gen 1 Mobile Platform Firmware Snapdragon 4 Gen 2 Mobile Platform Firmware Snapdragon 429 Mobile Platform Firmware Snapdragon 460 Mobile Platform Firmware Snapdragon 480 5g Mobile Platform Firmware Snapdragon 480 5G Mobile Platform Sm4350 Ac Firmware Snapdragon 660 Mobile Platform Firmware Snapdragon 662 Mobile Platform Firmware Snapdragon 670 Mobile Platform Firmware Snapdragon 680 4g Mobile Platform Firmware Snapdragon 685 4G Mobile Platform Sm6225 Ad Firmware Snapdragon 695 5g Mobile Platform Firmware Snapdragon 710 Mobile Platform Firmware Snapdragon 8 Gen 1 Mobile Platform Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon 8 Gen 3 Mobile Platform Firmware Snapdragon 820 Automotive Platform Firmware Snapdragon 845 Mobile Platform Firmware Snapdragon W5 Gen 1 Wearable Platform Firmware Snapdragon Xr1 Platform Firmware Snapdragon Xr2 5g Platform Firmware Snapdragon Xr2 Gen 1 Platform Firmware Sw5100 Firmware Sw5100p Firmware Sxr1120 Firmware Talynplus Firmware Wcd9326 Firmware Wcd9335 Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9378 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3620 Firmware Wcn3660b Firmware Wcn3910 Firmware Wcn3950 Firmware Wcn3980 Firmware Wcn3988 Firmware Wcn3990 Firmware Wcn6450 Firmware Wcn6650 Firmware Wcn6740 Firmware Wcn6755 Firmware Wcn7750 Firmware Wcn7860 Firmware Wcn7861 Firmware Wcn7880 Firmware Wcn7881 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware
8.2
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:14 vuln.today
CVE Published
Sep 24, 2025 - 16:15 nvd
HIGH 8.2

DescriptionCVE.org

Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.

AnalysisAI

Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-126. Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set. Affected products include: Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Msm8996Au 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-2025-21488 vulnerability details – vuln.today

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