CVE-2025-21488
Buffer Over-read in Data Network Stack & Connectivity
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Buffer Over-read in Data Network Stack & Connectivity
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
- Record
CVE-2025-21488- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2025-30998
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
- Record
EUVD-2025-30998- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xhv3-f69c-rq49
Information disclosure while decoding this RTP packet headers received by UE from the network...
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
- Record
GHSA-xhv3-f69c-rq49- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-126
- Updated
- 2026-11-02
NVD
Information disclosure while decoding this RTP packet headers received by UE from the network when the padding bit is set.
- Record
CVE-2025-21488- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm msm8996au firmware
- qualcomm qca6564 firmware
- qualcomm qca6564a firmware
- qualcomm qca6564au firmware
- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6595au firmware
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- qualcomm qca6696 firmware
- qualcomm qcm4490 firmware
- qualcomm qcs410 firmware
- qualcomm qcs4490 firmware
- qualcomm qcs610 firmware
- qualcomm qmp1000 firmware
- qualcomm sa6145p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sd660 firmware
- qualcomm sd670 firmware
- qualcomm sd865 5g firmware
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdm429w firmware
- qualcomm sg4150p firmware
- qualcomm sm4125 firmware
- qualcomm sm4635 firmware
- qualcomm sm6370 firmware
- qualcomm sm6650 firmware
- qualcomm sm7635 firmware
- qualcomm sm7675 firmware
- qualcomm sm7675p firmware
- qualcomm sm8550p firmware
- qualcomm sm8635 firmware
- qualcomm sm8635p firmware
- qualcomm sm8650q firmware
- qualcomm sm8735 firmware
- qualcomm sm8750 firmware
- qualcomm sm8750p firmware
- qualcomm snapdragon 429 mobile platform firmware
- qualcomm snapdragon 460 mobile platform firmware
- qualcomm snapdragon 480\+ 5g mobile platform \(sm4350-ac\) firmware
- qualcomm snapdragon 480 5g mobile platform firmware
- qualcomm snapdragon 4 gen 1 mobile platform firmware
- qualcomm snapdragon 4 gen 2 mobile platform firmware
- qualcomm snapdragon 660 mobile platform firmware
- qualcomm snapdragon 662 mobile platform firmware
- qualcomm snapdragon 670 mobile platform firmware
- qualcomm snapdragon 680 4g mobile platform firmware
- qualcomm snapdragon 685 4g mobile platform \(sm6225-ad\) firmware
- qualcomm snapdragon 695 5g mobile platform firmware
- qualcomm snapdragon 710 mobile platform firmware
- qualcomm snapdragon 820 automotive platform firmware
- qualcomm snapdragon 845 mobile platform firmware
- qualcomm snapdragon 8\+ gen 1 mobile platform firmware
- qualcomm snapdragon 8\+ gen 2 mobile platform firmware
- qualcomm snapdragon 8 gen 1 mobile platform firmware
- qualcomm snapdragon 8 gen 2 mobile platform firmware
- qualcomm snapdragon 8 gen 3 mobile platform firmware
- qualcomm snapdragon w5\+ gen 1 wearable platform firmware
- qualcomm snapdragon xr1 platform firmware
- qualcomm snapdragon xr2\+ gen 1 platform firmware
- qualcomm snapdragon xr2 5g platform firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm sxr1120 firmware
- qualcomm talynplus firmware
- qualcomm video collaboration vc1 platform firmware
- qualcomm video collaboration vc3 platform firmware
- qualcomm wcd9326 firmware
- qualcomm wcd9335 firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9378 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9390 firmware
- qualcomm wcd9395 firmware
- qualcomm wcn3620 firmware
- qualcomm wcn3660b firmware
- qualcomm wcn3910 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3990 firmware
- qualcomm wcn6450 firmware
- qualcomm wcn6650 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6755 firmware
- qualcomm wcn7750 firmware
- qualcomm wcn7860 firmware
- qualcomm wcn7861 firmware
- qualcomm wcn7880 firmware
- qualcomm wcn7881 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8832 firmware
- qualcomm wsa8835 firmware
- qualcomm wsa8840 firmware
- qualcomm wsa8845 firmware
- qualcomm wsa8845h firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21488 is a high vulnerability (CVSS 8.2) in Qualcomm Fastconnect 6200 Firmware, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.