CVE-2025-21481
Buffer Copy Without Checking Size of Input in HLOS
7.8 High
Memory corruption while performing private key encryption in trusted application.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
0.07%Up 0.1 points since Sep 25, 2025
What each source reports
CVE List Score used
Buffer Copy Without Checking Size of Input in HLOS
Memory corruption while performing private key encryption in trusted application.
- Record
CVE-2025-21481- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2025-31003
Memory corruption while performing private key encryption in trusted application.
- Record
EUVD-2025-31003- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2324-r4hv-6h34
Memory corruption while performing private key encryption in trusted application.
Memory corruption while performing private key encryption in trusted application.
- Record
GHSA-2324-r4hv-6h34- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Memory corruption while performing private key encryption in trusted application.
- Record
CVE-2025-21481- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- qualcomm 315 5g iot modem firmware
- qualcomm aqt1000 firmware
- qualcomm ar8031 firmware
- qualcomm ar8035 firmware
- qualcomm c-v2x 9150 firmware
- qualcomm csra6620 firmware
- qualcomm csra6640 firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
Show 238 moreShow less
- qualcomm flight rb5 5g platform firmware
- qualcomm qam8255p firmware
- qualcomm qam8295p firmware
- qualcomm qam8620p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qamsrv1h firmware
- qualcomm qamsrv1m firmware
- qualcomm qca6174a firmware
- qualcomm qca6391 firmware
- qualcomm qca6420 firmware
- qualcomm qca6421 firmware
- qualcomm qca6426 firmware
- qualcomm qca6430 firmware
- qualcomm qca6431 firmware
- qualcomm qca6436 firmware
- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6678aq firmware
- qualcomm qca6688aq firmware
- qualcomm qca6696 firmware
- qualcomm qca6698aq firmware
- qualcomm qca6797aq firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcc710 firmware
- qualcomm qcm2290 firmware
- qualcomm qcm4290 firmware
- qualcomm qcm5430 firmware
- qualcomm qcm6125 firmware
- qualcomm qcm6490 firmware
- qualcomm qcm8550 firmware
- qualcomm qcn6024 firmware
- qualcomm qcn6224 firmware
- qualcomm qcn6274 firmware
- qualcomm qcn7606 firmware
- qualcomm qcn9024 firmware
- qualcomm qcn9074 firmware
- qualcomm qcn9274 firmware
- qualcomm qcs2290 firmware
- qualcomm qcs410 firmware
- qualcomm qcs4290 firmware
- qualcomm qcs5430 firmware
- qualcomm qcs610 firmware
- qualcomm qcs6125 firmware
- qualcomm qcs6490 firmware
- qualcomm qcs8300 firmware
- qualcomm qcs8550 firmware
- qualcomm qcs9100 firmware
- qualcomm qdu1000 firmware
- qualcomm qdu1010 firmware
- qualcomm qdu1110 firmware
- qualcomm qdu1210 firmware
- qualcomm qdx1010 firmware
- qualcomm qdx1011 firmware
- qualcomm qep8111 firmware
- qualcomm qfw7114 firmware
- qualcomm qfw7124 firmware
- qualcomm qmp1000 firmware
- qualcomm qrb5165m firmware
- qualcomm qrb5165n firmware
- qualcomm qru1032 firmware
- qualcomm qru1052 firmware
- qualcomm qru1062 firmware
- qualcomm qsm8250 firmware
- qualcomm qsm8350 firmware
- qualcomm robotics rb2 firmware
- qualcomm robotics rb5 firmware
- qualcomm sa2150p firmware
- qualcomm sa4150p firmware
- qualcomm sa4155p firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa7255p firmware
- qualcomm sa7775p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sa8255p firmware
- qualcomm sa8295p firmware
- qualcomm sa8530p firmware
- qualcomm sa8540p firmware
- qualcomm sa8620p firmware
- qualcomm sa8650p firmware
- qualcomm sa8770p firmware
- qualcomm sa8775p firmware
- qualcomm sa9000p firmware
- qualcomm sc8180x\+sdx55 firmware
- qualcomm sc8380xp firmware
- qualcomm sd670 firmware
- qualcomm sd675 firmware
- qualcomm sd730 firmware
- qualcomm sd855 firmware
- qualcomm sd865 5g firmware
- qualcomm sd888 firmware
- qualcomm sd 675 firmware
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdx55 firmware
- qualcomm sdx61 firmware
- qualcomm sg4150p firmware
- qualcomm sm4125 firmware
- qualcomm sm4635 firmware
- qualcomm sm6250 firmware
- qualcomm sm6250p firmware
- qualcomm sm6370 firmware
- qualcomm sm6650 firmware
- qualcomm sm7250p firmware
- qualcomm sm7315 firmware
- qualcomm sm7325p firmware
- qualcomm sm7635 firmware
- qualcomm sm7675 firmware
- qualcomm sm7675p firmware
- qualcomm sm8635 firmware
- qualcomm sm8635p firmware
- qualcomm sm8650q firmware
- qualcomm sm8735 firmware
- qualcomm sm8750 firmware
- qualcomm sm8750p firmware
- qualcomm smart audio 400 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 662 mobile platform firmware
- qualcomm snapdragon 665 mobile platform firmware
- qualcomm snapdragon 670 mobile platform firmware
- qualcomm snapdragon 675 mobile platform firmware
- qualcomm snapdragon 678 mobile platform \(sm6150-ac\) firmware
- qualcomm snapdragon 680 4g mobile platform firmware
- qualcomm snapdragon 685 4g mobile platform \(sm6225-ad\) firmware
- qualcomm snapdragon 690 5g mobile platform firmware
- qualcomm snapdragon 695 5g mobile platform firmware
- qualcomm snapdragon 710 mobile platform firmware
- qualcomm snapdragon 720g mobile platform firmware
- qualcomm snapdragon 730 mobile platform \(sm7150-aa\) firmware
- qualcomm snapdragon 730g mobile platform \(sm7150-ab\) firmware
- qualcomm snapdragon 732g mobile platform \(sm7150-ac\) firmware
- qualcomm snapdragon 750g 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 7c compute platform \(sc7180-ac\) firmware
- qualcomm snapdragon 7c gen 2 compute platform \(sc7180-ad\) \"rennell pro\" 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 8 gen 1 mobile platform firmware
- qualcomm snapdragon 8 gen 3 mobile platform firmware
- qualcomm snapdragon 8c compute platform \(sc8180x-ad\) firmware
- qualcomm snapdragon 8c compute platform \(sc8180xp-ad\) firmware
- qualcomm snapdragon 8cx compute platform \(sc8180x-aa\) firmware
- qualcomm snapdragon 8cx compute platform \(sc8180x-ab\) firmware
- qualcomm snapdragon 8cx compute platform \(sc8180xp-ac\) firmware
- qualcomm snapdragon 8cx compute platform \(sc8180xp-af\) firmware
- qualcomm snapdragon 8cx gen 2 5g compute platform \(sc8180x-ac\) firmware
- qualcomm snapdragon 8cx gen 2 5g compute platform \(sc8180x-af\) firmware
- qualcomm snapdragon 8cx gen 2 5g compute platform \(sc8180xp-aa\) firmware
- qualcomm snapdragon 8cx gen 2 5g compute platform \(sc8180xp-ab\) firmware
- qualcomm snapdragon 8cx gen 3 compute platform \(sc8280xp-ab\) firmware
- qualcomm snapdragon 8cx gen 3 compute platform \(sc8280xp-bb\) firmware
- qualcomm snapdragon auto 4g modem firmware
- qualcomm snapdragon auto 5g modem-rf firmware
- qualcomm snapdragon auto 5g modem-rf gen 2 firmware
- qualcomm snapdragon w5\+ gen 1 wearable platform firmware
- qualcomm snapdragon x35 5g modem-rf system firmware
- qualcomm snapdragon x50 5g modem-rf system firmware
- qualcomm snapdragon x55 5g modem-rf system firmware
- qualcomm snapdragon x62 5g modem-rf system firmware
- qualcomm snapdragon x65 5g modem-rf system firmware
- qualcomm snapdragon x72 5g modem-rf system firmware
- qualcomm snapdragon x75 5g modem-rf system firmware
- qualcomm snapdragon xr1 platform firmware
- qualcomm snapdragon xr2\+ gen 1 platform firmware
- qualcomm snapdragon xr2 5g platform firmware
- qualcomm srv1h firmware
- qualcomm srv1l firmware
- qualcomm srv1m firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm sxr1120 firmware
- qualcomm sxr2130 firmware
- qualcomm sxr2330p 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 wcd9360 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9371 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9378 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9390 firmware
- qualcomm wcd9395 firmware
- qualcomm wcn3910 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3990 firmware
- qualcomm wcn3999 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-2025-21481 is a high vulnerability (CVSS 7.8) in Qualcomm 315 5g Iot Modem Firmware, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.07%, the 0th percentile. No source names a fixed version.