What’s Vulnerable › Vulnerabilities

CVE-2025-21427: Buffer Over-read in Data HLOS - LNX

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-08 · updated 2026-06-17
• Weakness: CWE-126

Description

Information disclosure while decoding this RTP packet Payload when UE receives the RTP packet from the network.

Affected products

• Qualcomm 205 Mobile Firmware: all versions
• Qualcomm 215 Mobile Firmware: all versions
• Qualcomm Apq8064Au Firmware: all versions
• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Fastconnect 6200 Firmware: all versions
• Qualcomm Fastconnect 6700 Firmware: all versions
• Qualcomm Fastconnect 6800 Firmware: all versions
• Qualcomm Fastconnect 6900 Firmware: all versions
• Qualcomm Fastconnect 7800 Firmware: all versions
• Qualcomm Msm8996Au Firmware: all versions
• Qualcomm Qam8255P Firmware: all versions
• Qualcomm Qam8295P Firmware: all versions
• Qualcomm Qam8650P Firmware: all versions
• Qualcomm Qam8775P Firmware: all versions
• Qualcomm Qca6310 Firmware: all versions
• Qualcomm Qca6320 Firmware: all versions
• Qualcomm Qca6335 Firmware: all versions
• Qualcomm Qca6391 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6426 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Qca6436 Firmware: all versions
• Qualcomm Qca6564 Firmware: all versions
• Qualcomm Qca6564A Firmware: all versions
• Qualcomm Qca6564Au Firmware: all versions
• Qualcomm Qca6574 Firmware: all versions
• Qualcomm Qca6574A Firmware: all versions
• Qualcomm Qca6574Au Firmware: all versions
• Qualcomm Qca6595 Firmware: all versions
• Qualcomm Qca6595Au Firmware: all versions

References

• https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2025-bulletin.html

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