CVE-2023-21656
Improper Input Validation in WLAN HOST
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
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
What each source reports
CVE List Score used
7.8
Improper Input Validation in WLAN HOST
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
- Record
CVE-2023-21656- 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-20
- Updated
- 2026-11-02
EUVDEUVD-2023-25823
7.8
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
- Record
EUVD-2023-25823- 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
- 2026-11-03
GitHub AdvisoriesGHSA-vpj3-j2jm-qp35
7.8
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
- Record
GHSA-vpj3-j2jm-qp35- 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-20
- Updated
- 2026-11-02
NVD
7.8
Memory corruption in WLAN HOST while receiving an WMI event from firmware.
- Record
CVE-2023-21656- 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-20
- Updated
- 2026-11-02
Affected products
- qualcomm ar8035 firmware
- qualcomm csra6620 firmware
- qualcomm csra6640 firmware
- qualcomm csrb31024 firmware
- qualcomm qam8255p firmware
- qualcomm qam8295p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qca6175a firmware
- qualcomm qca6310 firmware
- qualcomm qca6320 firmware
- qualcomm qca6390 firmware
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- qualcomm qca6391 firmware
- qualcomm qca6426 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 qca6797aq firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcc2073 firmware
- qualcomm qcc2076 firmware
- qualcomm qcm4325 firmware
- qualcomm qcm4490 firmware
- qualcomm qcm6490 firmware
- qualcomm qcn6024 firmware
- qualcomm qcn9024 firmware
- qualcomm qcs410 firmware
- qualcomm qcs4490 firmware
- qualcomm qcs610 firmware
- qualcomm qcs6490 firmware
- qualcomm qcs8550 firmware
- qualcomm sa4150p firmware
- qualcomm sa4155p firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sa8255p firmware
- qualcomm sa8295p firmware
- qualcomm sd835 firmware
- qualcomm sd865 5g firmware
- qualcomm sd888 firmware
- qualcomm sd 8 gen1 5g firmware
- qualcomm sdm429 firmware
- qualcomm sdm429w firmware
- qualcomm sdx55 firmware
- qualcomm sm4250-aa firmware
- qualcomm sm4350-ac firmware
- qualcomm sm4350 firmware
- qualcomm sm4375 firmware
- qualcomm sm4450 firmware
- qualcomm sm6225-ad firmware
- qualcomm sm6225 firmware
- qualcomm sm6375 firmware
- qualcomm sm7315 firmware
- qualcomm sm7325-ae firmware
- qualcomm sm7325-af firmware
- qualcomm sm7325 firmware
- qualcomm sm7325p firmware
- qualcomm sm7350-ab firmware
- qualcomm sm8250-ab firmware
- qualcomm sm8250-ac firmware
- qualcomm sm8250 firmware
- qualcomm sm8350-ac firmware
- qualcomm sm8350 firmware
- qualcomm sm8450 firmware
- qualcomm sm8475 firmware
- qualcomm smart audio 400 platform firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
- qualcomm snapdragon 835 mobile pc platform firmware
- qualcomm snapdragon ar2 gen 1 platform firmware
- qualcomm snapdragon auto 4g modem firmware
- qualcomm snapdragon auto 5g modem-rf firmware
- qualcomm snapdragon w5\+ gen 1 wearable platform firmware
- qualcomm snapdragon x55 5g modem-rf system firmware
- qualcomm snapdragon x65 5g modem-rf system firmware
- qualcomm snapdragon xr2\+ gen 1 platform firmware
- qualcomm snapdragon xr2 5g platform firmware
- qualcomm ssg2115p firmware
- qualcomm ssg2125p firmware
- qualcomm sw5100 firmware
- qualcomm sw5100p firmware
- qualcomm sxr1230p firmware
- qualcomm sxr2130 firmware
- qualcomm sxr2230p firmware
- qualcomm wcd9326 firmware
- qualcomm wcd9335 firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9360 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3620 firmware
- qualcomm wcn3660b firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3980 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3990 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn3998 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn685x-1 firmware
- qualcomm wcn685x-5 firmware
- qualcomm wcn785x-1 firmware
- qualcomm wcn785x-5 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8832 firmware
- qualcomm wsa8835 firmware
- qualcomm, inc. snapdragon
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/vendor/qcom-opensource/wlan/qcacld-3.0Android |
SoCVersion:0 up to SoCVersion:2023-06-05, plus listed versions SoCVersion |
SoCVersion:2023-06-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21656 is a high vulnerability (CVSS 7.8) in Qualcomm Ar8035 Firmware, published June 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in platform/vendor/qcom-opensource/wlan/qcacld-3.0 SoCVersion:2023-06-05.
References
qualcomm.com/company/product-security/bulletins/june-2023-bulletin
nvd.nist.gov/vuln/detail/CVE-2023-21656
github.com/advisories/GHSA-vpj3-j2jm-qp35
source.android.com/security/bulletin/2023-06-01
git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/-/commit/c7d3dd3ba9f9cf99945932947e12ba1bf39bcbba