CVE-2022-40530 | Integer overflow to buffer overflow in WLAN

Memory corruption in WLAN due to integer overflow to buffer overflow in WLAN during initialization phase.

Published: 2023-03-10 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-40530 is rated Low Risk (39.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-40530

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-30 0.05% 0.05% +0.01%
2 2025-03-30 0.06% 0.05% -0.02%
3 2025-03-29 0.06%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40530

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.5 5.9 [email protected]
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.8 5.9 [email protected]

Weakness enumeration for CVE-2022-40530

Affected software / configurations for CVE-2022-40530

Vendor Product Version Raw CPE
qualcomm aqt1000_firmware cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
qualcomm ar8031_firmware cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
qualcomm ar8035_firmware cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
qualcomm csr8811_firmware cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
qualcomm csra6620_firmware cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
qualcomm csra6640_firmware cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
qualcomm csrb31024_firmware cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
qualcomm ipq5018_firmware cpe:2.3:o:qualcomm:ipq5018_firmware:-:*:*:*:*:*:*:*
qualcomm ipq6010_firmware cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
qualcomm ipq6018_firmware cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
qualcomm ipq6028_firmware cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8070_firmware cpe:2.3:o:qualcomm:ipq8070_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8070a_firmware cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8071_firmware cpe:2.3:o:qualcomm:ipq8071_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8071a_firmware cpe:2.3:o:qualcomm:ipq8071a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8072_firmware cpe:2.3:o:qualcomm:ipq8072_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8072a_firmware cpe:2.3:o:qualcomm:ipq8072a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8074_firmware cpe:2.3:o:qualcomm:ipq8074_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8074a_firmware cpe:2.3:o:qualcomm:ipq8074a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8076_firmware cpe:2.3:o:qualcomm:ipq8076_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8076a_firmware cpe:2.3:o:qualcomm:ipq8076a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8078_firmware cpe:2.3:o:qualcomm:ipq8078_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8078a_firmware cpe:2.3:o:qualcomm:ipq8078a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8173_firmware cpe:2.3:o:qualcomm:ipq8173_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8174_firmware cpe:2.3:o:qualcomm:ipq8174_firmware:-:*:*:*:*:*:*:*
qualcomm ipq9008_firmware cpe:2.3:o:qualcomm:ipq9008_firmware:-:*:*:*:*:*:*:*
qualcomm ipq9574_firmware cpe:2.3:o:qualcomm:ipq9574_firmware:-:*:*:*:*:*:*:*
qualcomm pmp8074_firmware cpe:2.3:o:qualcomm:pmp8074_firmware:-:*:*:*:*:*:*:*
qualcomm qam8295p_firmware cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
qualcomm qca1062_firmware cpe:2.3:o:qualcomm:qca1062_firmware:-:*:*:*:*:*:*:*
qualcomm qca1064_firmware cpe:2.3:o:qualcomm:qca1064_firmware:-:*:*:*:*:*:*:*
qualcomm qca2062_firmware cpe:2.3:o:qualcomm:qca2062_firmware:-:*:*:*:*:*:*:*
qualcomm qca2064_firmware cpe:2.3:o:qualcomm:qca2064_firmware:-:*:*:*:*:*:*:*
qualcomm qca2065_firmware cpe:2.3:o:qualcomm:qca2065_firmware:-:*:*:*:*:*:*:*
qualcomm qca2066_firmware cpe:2.3:o:qualcomm:qca2066_firmware:-:*:*:*:*:*:*:*
qualcomm qca4024_firmware cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
qualcomm qca6390_firmware cpe:2.3:o:qualcomm:qca6390_firmware:-:*:*:*:*:*:*:*
qualcomm qca6391_firmware cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
qualcomm qca6420_firmware cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
qualcomm qca6421_firmware cpe:2.3:o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
qualcomm qca6426_firmware cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
qualcomm qca6430_firmware cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
qualcomm qca6431_firmware cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
qualcomm qca6436_firmware cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
qualcomm qca6554a_firmware cpe:2.3:o:qualcomm:qca6554a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564au_firmware cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574_firmware cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574a_firmware cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574au_firmware cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6584au_firmware cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595_firmware cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595au_firmware cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6678aq_firmware cpe:2.3:o:qualcomm:qca6678aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6696_firmware cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
qualcomm qca6698aq_firmware cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca8072_firmware cpe:2.3:o:qualcomm:qca8072_firmware:-:*:*:*:*:*:*:*
qualcomm qca8075_firmware cpe:2.3:o:qualcomm:qca8075_firmware:-:*:*:*:*:*:*:*
qualcomm qca8081_firmware cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
qualcomm qca8082_firmware cpe:2.3:o:qualcomm:qca8082_firmware:-:*:*:*:*:*:*:*
qualcomm qca8084_firmware cpe:2.3:o:qualcomm:qca8084_firmware:-:*:*:*:*:*:*:*
qualcomm qca8085_firmware cpe:2.3:o:qualcomm:qca8085_firmware:-:*:*:*:*:*:*:*
qualcomm qca8337_firmware cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
qualcomm qca8386_firmware cpe:2.3:o:qualcomm:qca8386_firmware:-:*:*:*:*:*:*:*
qualcomm qca9888_firmware cpe:2.3:o:qualcomm:qca9888_firmware:-:*:*:*:*:*:*:*
qualcomm qca9889_firmware cpe:2.3:o:qualcomm:qca9889_firmware:-:*:*:*:*:*:*:*
qualcomm qca9984_firmware cpe:2.3:o:qualcomm:qca9984_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6125_firmware cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6490_firmware cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5021_firmware cpe:2.3:o:qualcomm:qcn5021_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5022_firmware cpe:2.3:o:qualcomm:qcn5022_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5024_firmware cpe:2.3:o:qualcomm:qcn5024_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5052_firmware cpe:2.3:o:qualcomm:qcn5052_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5054_firmware cpe:2.3:o:qualcomm:qcn5054_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5122_firmware cpe:2.3:o:qualcomm:qcn5122_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5124_firmware cpe:2.3:o:qualcomm:qcn5124_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5152_firmware cpe:2.3:o:qualcomm:qcn5152_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5154_firmware cpe:2.3:o:qualcomm:qcn5154_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5164_firmware cpe:2.3:o:qualcomm:qcn5164_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6023_firmware cpe:2.3:o:qualcomm:qcn6023_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6024_firmware cpe:2.3:o:qualcomm:qcn6024_firmware:-:*:*:*:*:*:*:*

References for CVE-2022-40530

cvelogic Threat Intelligence