What’s Vulnerable › Vulnerabilities

CVE-2025-21488: Buffer Over-read in Data Network Stack & Connectivity

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-24 · updated 2026-09-26
• Weakness: CWE-126

Description

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

Affected products

• Qualcomm Fastconnect 6200 Firmware: all versions
• Qualcomm Fastconnect 6700 Firmware: all versions
• Qualcomm Fastconnect 6900 Firmware: all versions
• Qualcomm Fastconnect 7800 Firmware: all versions
• Qualcomm Msm8996Au 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 Qca6595Au Firmware: all versions
• Qualcomm Qca6696 Firmware: all versions
• Qualcomm Qcm4490 Firmware: all versions
• Qualcomm Qcs410 Firmware: all versions
• Qualcomm Qcs4490 Firmware: all versions
• Qualcomm Qcs610 Firmware: all versions
• Qualcomm Qmp1000 Firmware: all versions
• Qualcomm Sa6145P Firmware: all versions
• Qualcomm Sa6155 Firmware: all versions
• Qualcomm Sa6155P Firmware: all versions
• Qualcomm Sa8155 Firmware: all versions
• Qualcomm Sa8155P Firmware: all versions
• Qualcomm Sd660 Firmware: all versions
• Qualcomm Sd670 Firmware: all versions
• Qualcomm Sd865 5G Firmware: all versions
• Qualcomm Sd 8 Gen1 5G Firmware: all versions
• Qualcomm Sdm429W Firmware: all versions
• Qualcomm Sg4150P Firmware: all versions
• Qualcomm Sm4125 Firmware: all versions

References

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

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