CVE-2025-21435
Buffer Over-read in WLAN Host Communication
7.5 HighFix available
Transient DOS may occur while parsing extended IE in beacon.
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
0.27%Up 0.2 points since Apr 7, 2025
What each source reports
CVE List Score used
Buffer Over-read in WLAN Host Communication
Transient DOS may occur while parsing extended IE in beacon.
- Record
CVE-2025-21435- 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-126
- Updated
- 2026-11-02
EUVDEUVD-2025-9997
Transient DOS may occur while parsing extended IE in beacon.
- Record
EUVD-2025-9997- 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-4q5q-cfpq-3h3j
Transient DOS may occur while parsing extended IE in beacon.
Transient DOS may occur while parsing extended IE in beacon.
- Record
GHSA-4q5q-cfpq-3h3j- 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-126
- Updated
- 2026-11-02
NVD
Transient DOS may occur while parsing extended IE in beacon.
- Record
CVE-2025-21435- 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-126
- Updated
- 2026-11-02
Affected products
- qualcomm ar8035 firmware
- qualcomm csr8811 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm immersive home 214 platform firmware
- qualcomm immersive home 216 platform firmware
- qualcomm immersive home 316 platform firmware
- qualcomm immersive home 318 platform firmware
- qualcomm immersive home 3210 platform firmware
- qualcomm immersive home 326 platform firmware
- qualcomm ipq5010 firmware
Show 138 moreShow less
- qualcomm ipq5028 firmware
- qualcomm ipq5300 firmware
- qualcomm ipq5302 firmware
- qualcomm ipq5312 firmware
- qualcomm ipq5332 firmware
- qualcomm ipq6000 firmware
- qualcomm ipq6010 firmware
- qualcomm ipq6018 firmware
- qualcomm ipq6028 firmware
- qualcomm ipq8070a firmware
- qualcomm ipq8071a firmware
- qualcomm ipq8072a firmware
- qualcomm ipq8074a firmware
- qualcomm ipq8076 firmware
- qualcomm ipq8076a firmware
- qualcomm ipq8078 firmware
- qualcomm ipq8078a firmware
- qualcomm ipq8173 firmware
- qualcomm ipq8174 firmware
- qualcomm ipq9008 firmware
- qualcomm ipq9048 firmware
- qualcomm ipq9554 firmware
- qualcomm ipq9570 firmware
- qualcomm ipq9574 firmware
- qualcomm qam8255p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qca4024 firmware
- qualcomm qca6391 firmware
- qualcomm qca6421 firmware
- qualcomm qca6426 firmware
- qualcomm qca6431 firmware
- qualcomm qca6436 firmware
- qualcomm qca6554a firmware
- qualcomm qca6564au firmware
- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6678aq firmware
- qualcomm qca6696 firmware
- qualcomm qca6698aq firmware
- qualcomm qca6777aq firmware
- qualcomm qca6787aq firmware
- qualcomm qca6797aq firmware
- qualcomm qca8075 firmware
- qualcomm qca8081 firmware
- qualcomm qca8082 firmware
- qualcomm qca8084 firmware
- qualcomm qca8085 firmware
- qualcomm qca8337 firmware
- qualcomm qca8386 firmware
- qualcomm qca9888 firmware
- qualcomm qca9889 firmware
- qualcomm qcc2073 firmware
- qualcomm qcc2076 firmware
- qualcomm qcc710 firmware
- qualcomm qcf8000 firmware
- qualcomm qcf8000sfp firmware
- qualcomm qcf8001 firmware
- qualcomm qcn5022 firmware
- qualcomm qcn5024 firmware
- qualcomm qcn5052 firmware
- qualcomm qcn5122 firmware
- qualcomm qcn5124 firmware
- qualcomm qcn5152 firmware
- qualcomm qcn5154 firmware
- qualcomm qcn5164 firmware
- qualcomm qcn6023 firmware
- qualcomm qcn6024 firmware
- qualcomm qcn6112 firmware
- qualcomm qcn6122 firmware
- qualcomm qcn6132 firmware
- qualcomm qcn6224 firmware
- qualcomm qcn6274 firmware
- qualcomm qcn6402 firmware
- qualcomm qcn6412 firmware
- qualcomm qcn6422 firmware
- qualcomm qcn6432 firmware
- qualcomm qcn9000 firmware
- qualcomm qcn9012 firmware
- qualcomm qcn9022 firmware
- qualcomm qcn9024 firmware
- qualcomm qcn9070 firmware
- qualcomm qcn9072 firmware
- qualcomm qcn9074 firmware
- qualcomm qcn9100 firmware
- qualcomm qcn9160 firmware
- qualcomm qcn9274 firmware
- qualcomm qfw7114 firmware
- qualcomm qfw7124 firmware
- qualcomm qmp1000 firmware
- qualcomm qxm8083 firmware
- qualcomm sa6155p firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sdx55 firmware
- qualcomm sdx65m firmware
- qualcomm sm8735 firmware
- qualcomm sm8750 firmware
- qualcomm sm8750p 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 8 gen 3 mobile platform firmware
- qualcomm snapdragon x55 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 sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm sxr2330p firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9378 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9390 firmware
- qualcomm wcd9395 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn6450 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
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmnAndroid |
SoCVersion:0 up to SoCVersion:2025-04-05, plus listed versions SoCVersion |
SoCVersion:2025-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21435 is a high vulnerability (CVSS 7.5) in Qualcomm Ar8035 Firmware, published April 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. Fixed in platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn SoCVersion:2025-04-05.
References
docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html
nvd.nist.gov/vuln/detail/CVE-2025-21435
github.com/advisories/GHSA-4q5q-cfpq-3h3j
source.android.com/security/bulletin/2025-04-01
git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn/-/commit/5c4757fa56e39e217064ae44d1d91c7ea0ba2b7e