CVE-2025-21452
Reachable Assertion in Modem
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Reachable Assertion in Modem
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
- Record
CVE-2025-21452- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
EUVDEUVD-2025-23810
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
- Record
EUVD-2025-23810- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9jx4-fvc9-gc34
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE...
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
- Record
GHSA-9jx4-fvc9-gc34- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
NVD
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network.
- Record
CVE-2025-21452- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-617
- Updated
- 2026-11-02
Affected products
- qualcomm 315 5g iot modem firmware
- qualcomm ar8035 firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fsm10055 firmware
- qualcomm qca6174a firmware
- qualcomm qca6391 firmware
- qualcomm qca6421 firmware
- qualcomm qca6426 firmware
- qualcomm qca6431 firmware
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- qualcomm qca6436 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6595au firmware
- qualcomm qca6696 firmware
- qualcomm qca6698aq firmware
- qualcomm qca8337 firmware
- qualcomm qcm5430 firmware
- qualcomm qcm6490 firmware
- qualcomm qcs5430 firmware
- qualcomm qcs6490 firmware
- qualcomm qep8111 firmware
- qualcomm sd855 firmware
- qualcomm sd865 5g firmware
- qualcomm sdx55 firmware
- qualcomm sdx57m firmware
- qualcomm sm6370 firmware
- qualcomm sm6650 firmware
- qualcomm sm7250p firmware
- qualcomm sm7325p firmware
- qualcomm sm7635 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 690 5g mobile platform firmware
- qualcomm snapdragon 695 5g mobile platform firmware
- qualcomm snapdragon 765 5g mobile platform \(sm7250-aa\) firmware
- qualcomm snapdragon 765g 5g mobile platform \(sm7250-ab\) firmware
- qualcomm snapdragon 768g 5g mobile platform \(sm7250-ac\) firmware
- qualcomm snapdragon 778g\+ 5g mobile platform \(sm7325-ae\) firmware
- qualcomm snapdragon 778g 5g mobile platform firmware
- qualcomm snapdragon 780g 5g mobile platform firmware
- qualcomm snapdragon 782g mobile platform \(sm7325-af\) firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
- qualcomm snapdragon 855\+\/860 mobile platform \(sm8150-ac\) firmware
- qualcomm snapdragon 855 mobile platform firmware
- qualcomm snapdragon 865\+ 5g mobile platform \(sm8250-ab\) firmware
- qualcomm snapdragon 865 5g mobile platform firmware
- qualcomm snapdragon 870 5g mobile platform \(sm8250-ac\) firmware
- qualcomm snapdragon 888\+ 5g mobile platform \(sm8350-ac\) firmware
- qualcomm snapdragon 888 5g mobile platform firmware
- qualcomm snapdragon auto 5g modem-rf firmware
- qualcomm snapdragon x35 5g modem-rf system firmware
- qualcomm snapdragon x55 5g modem-rf system firmware
- qualcomm snapdragon xr2 5g platform firmware
- qualcomm sxr2130 firmware
- qualcomm video collaboration vc3 platform firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9360 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9378 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9395 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn6450 firmware
- qualcomm wcn6650 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6755 firmware
- qualcomm wcn7861 firmware
- qualcomm wcn7881 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8832 firmware
- qualcomm wsa8835 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-2025-21452 is a high vulnerability (CVSS 7.5) in Qualcomm 315 5g Iot Modem Firmware, published August 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.