CVE-2023-43520
Stack-based Buffer Overflow in WLAN HOST
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping 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
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Stack-based Buffer Overflow in WLAN HOST
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.
- Record
CVE-2023-43520- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2023-47926
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.
- Record
EUVD-2023-47926- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fv23-fj7r-w7w4
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the...
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.
- Record
GHSA-fv23-fj7r-w7w4- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
NVD
Memory corruption when AP includes TID to link mapping IE in the beacons and STA is parsing the beacon TID to link mapping IE.
- Record
CVE-2023-43520- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
Affected products
- qualcomm ar8035 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm flight rb5 5g platform firmware
- qualcomm qam8255p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qamsrv1h firmware
- qualcomm qamsrv1m firmware
- qualcomm qca6391 firmware
- qualcomm qca6554a firmware
- qualcomm qca6564au firmware
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- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6688aq firmware
- qualcomm qca6696 firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qcc2073 firmware
- qualcomm qcc2076 firmware
- qualcomm qcc710 firmware
- qualcomm qcm8550 firmware
- qualcomm qcn6224 firmware
- qualcomm qcn6274 firmware
- qualcomm qcs7230 firmware
- qualcomm qcs8250 firmware
- qualcomm qcs8550 firmware
- qualcomm qfw7114 firmware
- qualcomm qfw7124 firmware
- qualcomm qrb5165n firmware
- qualcomm robotics rb5 platform firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sa8255p firmware
- qualcomm sa8650p firmware
- qualcomm sa8770p firmware
- qualcomm sa8775p firmware
- qualcomm sa9000p firmware
- qualcomm sm8550p firmware
- qualcomm snapdragon 8\+ gen 2 mobile platform firmware
- qualcomm snapdragon 8 gen 2 mobile platform firmware
- qualcomm snapdragon ar2 gen 1 platform firmware
- qualcomm snapdragon x75 5g modem-rf system firmware
- qualcomm srv1h firmware
- qualcomm srv1m firmware
- qualcomm ssg2115p firmware
- qualcomm ssg2125p firmware
- qualcomm sxr1230p firmware
- qualcomm sxr2230p firmware
- qualcomm video collaboration vc5 platform firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcd9390 firmware
- qualcomm wcd9395 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:2024-02-05, plus listed versions SoCVersion |
SoCVersion:2024-02-05 |
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-2023-43520 is a high vulnerability (CVSS 8.6) in Qualcomm Ar8035 Firmware, published February 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. Fixed in platform/vendor/qcom-opensource/wlan/qcacld-3.0 SoCVersion:2024-02-05.
References
qualcomm.com/company/product-security/bulletins/february-2024-bulletin
nvd.nist.gov/vuln/detail/CVE-2023-43520
github.com/advisories/GHSA-fv23-fj7r-w7w4
source.android.com/security/bulletin/2024-02-01
git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/-/commit/f92388d27db9a17230035b5e1bf5eb48c546b305