CVE-2025-21434
Buffer Over-read in WLAN Host
7.5 HighFix available
Transient DOS may occur while parsing EHT operation IE or EHT capability IE.
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
Transient DOS may occur while parsing EHT operation IE or EHT capability IE.
- Record
CVE-2025-21434- 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-2025-9998
Transient DOS may occur while parsing EHT operation IE or EHT capability IE.
- Record
EUVD-2025-9998- 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-59p6-hq92-2jp7
Transient DOS may occur while parsing EHT operation IE or EHT capability IE.
Transient DOS may occur while parsing EHT operation IE or EHT capability IE.
- Record
GHSA-59p6-hq92-2jp7- 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 EHT operation IE or EHT capability IE.
- Record
CVE-2025-21434- 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 fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm qam8255p firmware
- qualcomm qam8295p firmware
- qualcomm qam8620p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qamsrv1h firmware
- qualcomm qamsrv1m firmware
- qualcomm qca6391 firmware
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- 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 qca6688aq firmware
- qualcomm qca6696 firmware
- qualcomm qca6698aq firmware
- qualcomm qca6777aq firmware
- qualcomm qca6787aq firmware
- qualcomm qca6797aq firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcc2073 firmware
- qualcomm qcc2076 firmware
- qualcomm qcc710 firmware
- qualcomm qcm5430 firmware
- qualcomm qcm6490 firmware
- qualcomm qcm8550 firmware
- qualcomm qcn6224 firmware
- qualcomm qcn6274 firmware
- qualcomm qcn9011 firmware
- qualcomm qcn9012 firmware
- qualcomm qcn9274 firmware
- qualcomm qcs5430 firmware
- qualcomm qcs615 firmware
- qualcomm qcs6490 firmware
- qualcomm qcs7230 firmware
- qualcomm qcs8250 firmware
- qualcomm qcs8300 firmware
- qualcomm qcs8550 firmware
- qualcomm qcs9100 firmware
- qualcomm qfw7114 firmware
- qualcomm qfw7124 firmware
- qualcomm qmp1000 firmware
- qualcomm sa6155p firmware
- qualcomm sa7255p firmware
- qualcomm sa7775p 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 sg8275p 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 8\+ gen 2 mobile platform firmware
- qualcomm snapdragon 8 gen 2 mobile platform firmware
- qualcomm snapdragon 8 gen 3 mobile platform firmware
- qualcomm snapdragon ar1 gen 1 platform \"luna1\" firmware
- qualcomm snapdragon ar1 gen 1 platform firmware
- qualcomm snapdragon ar2 gen 1 platform firmware
- qualcomm snapdragon auto 5g modem-rf gen 2 firmware
- qualcomm snapdragon x72 5g modem-rf system firmware
- qualcomm snapdragon x75 5g modem-rf system firmware
- qualcomm srv1h firmware
- qualcomm srv1l firmware
- qualcomm srv1m firmware
- qualcomm ssg2115p firmware
- qualcomm ssg2125p firmware
- qualcomm sxr1230p firmware
- qualcomm sxr2230p firmware
- qualcomm sxr2250p firmware
- qualcomm sxr2330p firmware
- qualcomm video collaboration vc3 platform firmware
- qualcomm video collaboration vc5 platform firmware
- qualcomm vision intelligence 400 platform 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 wcn3990 firmware
- qualcomm wcn6650 firmware
- qualcomm wcn6755 firmware
- qualcomm wcn7750 firmware
- qualcomm wcn7860 firmware
- qualcomm wcn7861 firmware
- qualcomm wcn7880 firmware
- qualcomm wcn7881 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/qcacld-3.0Android |
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-2025-21434 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/qcacld-3.0 SoCVersion:2025-04-05.
References
docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.html
nvd.nist.gov/vuln/detail/CVE-2025-21434
github.com/advisories/GHSA-59p6-hq92-2jp7
source.android.com/security/bulletin/2025-04-01
git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/-/commit/94ff823de3bd4986c6f4a62581e1296dd50c0da8