CVE-2022-33278 | Buffer copy without checking the size of input in HLOS

Memory corruption due to buffer copy without checking the size of input in HLOS when input message size is larger than the buffer capacity.

Published: 2023-03-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-33278 is rated Low Risk (36.7/100): 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-2022-33278

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 2025-11-21 0.05% 0.05% +0.00%
2 2025-11-18 0.07% 0.05% -0.02%
3 2025-03-17 0.07%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-33278

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
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]
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-2022-33278

Affected software / configurations for CVE-2022-33278

Vendor Product Version Raw CPE
qualcomm aqt1000_firmware cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
qualcomm ar8035_firmware cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
qualcomm csra6620_firmware cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
qualcomm csra6640_firmware cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
qualcomm qam8295p_firmware cpe:2.3:o:qualcomm:qam8295p_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 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 qca6595_firmware cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595au_firmware cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6696_firmware cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
qualcomm qca6698aq_firmware cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca8081_firmware cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
qualcomm qca8337_firmware cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
qualcomm qcc5100_firmware cpe:2.3:o:qualcomm:qcc5100_firmware:-:*:*:*:*:*:*:*
qualcomm qcm2290_firmware cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4290_firmware cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6125_firmware cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6490_firmware cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6024_firmware cpe:2.3:o:qualcomm:qcn6024_firmware:-:*:*:*:*:*:*:*
qualcomm qcn7606_firmware cpe:2.3:o:qualcomm:qcn7606_firmware:-:*:*:*:*:*:*:*
qualcomm qcn9024_firmware cpe:2.3:o:qualcomm:qcn9024_firmware:-:*:*:*:*:*:*:*
qualcomm qcs2290_firmware cpe:2.3:o:qualcomm:qcs2290_firmware:-:*:*:*:*:*:*:*
qualcomm qcs405_firmware cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
qualcomm qcs4290_firmware cpe:2.3:o:qualcomm:qcs4290_firmware:-:*:*:*:*:*:*:*
qualcomm qcs6125_firmware cpe:2.3:o:qualcomm:qcs6125_firmware:-:*:*:*:*:*:*:*
qualcomm qcs6490_firmware cpe:2.3:o:qualcomm:qcs6490_firmware:-:*:*:*:*:*:*:*
qualcomm qsm8350_firmware cpe:2.3:o:qualcomm:qsm8350_firmware:-:*:*:*:*:*:*:*
qualcomm sa4150p_firmware cpe:2.3:o:qualcomm:sa4150p_firmware:-:*:*:*:*:*:*:*
qualcomm sa4155p_firmware cpe:2.3:o:qualcomm:sa4155p_firmware:-:*:*:*:*:*:*:*
qualcomm sa6145p_firmware cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
qualcomm sa6150p_firmware cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
qualcomm sa6155_firmware cpe:2.3:o:qualcomm:sa6155_firmware:-:*:*:*:*:*:*:*
qualcomm sa6155p_firmware cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8145p_firmware cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8150p_firmware cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8155_firmware cpe:2.3:o:qualcomm:sa8155_firmware:-:*:*:*:*:*:*:*
qualcomm sa8155p_firmware cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8195p_firmware cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8295p_firmware cpe:2.3:o:qualcomm:sa8295p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8540p_firmware cpe:2.3:o:qualcomm:sa8540p_firmware:-:*:*:*:*:*:*:*
qualcomm sa9000p_firmware cpe:2.3:o:qualcomm:sa9000p_firmware:-:*:*:*:*:*:*:*
qualcomm sd_675_firmware cpe:2.3:o:qualcomm:sd_675_firmware:-:*:*:*:*:*:*:*
qualcomm sd_8_gen1_5g_firmware cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:*:*:*:*:*:*:*
qualcomm sd_8cx_gen3_firmware cpe:2.3:o:qualcomm:sd_8cx_gen3_firmware:-:*:*:*:*:*:*:*
qualcomm sd460_firmware cpe:2.3:o:qualcomm:sd460_firmware:-:*:*:*:*:*:*:*
qualcomm sd480_firmware cpe:2.3:o:qualcomm:sd480_firmware:-:*:*:*:*:*:*:*
qualcomm sd662_firmware cpe:2.3:o:qualcomm:sd662_firmware:-:*:*:*:*:*:*:*
qualcomm sd665_firmware cpe:2.3:o:qualcomm:sd665_firmware:-:*:*:*:*:*:*:*
qualcomm sd670_firmware cpe:2.3:o:qualcomm:sd670_firmware:-:*:*:*:*:*:*:*
qualcomm sd675_firmware cpe:2.3:o:qualcomm:sd675_firmware:-:*:*:*:*:*:*:*
qualcomm sd678_firmware cpe:2.3:o:qualcomm:sd678_firmware:-:*:*:*:*:*:*:*
qualcomm sd680_firmware cpe:2.3:o:qualcomm:sd680_firmware:-:*:*:*:*:*:*:*
qualcomm sd690_5g_firmware cpe:2.3:o:qualcomm:sd690_5g_firmware:-:*:*:*:*:*:*:*
qualcomm sd695_firmware cpe:2.3:o:qualcomm:sd695_firmware:-:*:*:*:*:*:*:*
qualcomm sd710_firmware cpe:2.3:o:qualcomm:sd710_firmware:-:*:*:*:*:*:*:*
qualcomm sd720g_firmware cpe:2.3:o:qualcomm:sd720g_firmware:-:*:*:*:*:*:*:*
qualcomm sd730_firmware cpe:2.3:o:qualcomm:sd730_firmware:-:*:*:*:*:*:*:*
qualcomm sd750g_firmware cpe:2.3:o:qualcomm:sd750g_firmware:-:*:*:*:*:*:*:*
qualcomm sd765_firmware cpe:2.3:o:qualcomm:sd765_firmware:-:*:*:*:*:*:*:*
qualcomm sd765g_firmware cpe:2.3:o:qualcomm:sd765g_firmware:-:*:*:*:*:*:*:*
qualcomm sd768g_firmware cpe:2.3:o:qualcomm:sd768g_firmware:-:*:*:*:*:*:*:*
qualcomm sd778g_firmware cpe:2.3:o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:*
qualcomm sd780g_firmware cpe:2.3:o:qualcomm:sd780g_firmware:-:*:*:*:*:*:*:*
qualcomm sd855_firmware cpe:2.3:o:qualcomm:sd855_firmware:-:*:*:*:*:*:*:*
qualcomm sd865_5g_firmware cpe:2.3:o:qualcomm:sd865_5g_firmware:-:*:*:*:*:*:*:*
qualcomm sd870_firmware cpe:2.3:o:qualcomm:sd870_firmware:-:*:*:*:*:*:*:*
qualcomm sd888_firmware cpe:2.3:o:qualcomm:sd888_firmware:-:*:*:*:*:*:*:*
qualcomm sd888_5g_firmware cpe:2.3:o:qualcomm:sd888_5g_firmware:-:*:*:*:*:*:*:*
qualcomm sdx50m_firmware cpe:2.3:o:qualcomm:sdx50m_firmware:-:*:*:*:*:*:*:*
qualcomm sdx55m_firmware cpe:2.3:o:qualcomm:sdx55m_firmware:-:*:*:*:*:*:*:*
qualcomm sdx65_firmware cpe:2.3:o:qualcomm:sdx65_firmware:-:*:*:*:*:*:*:*

References for CVE-2022-33278

cvelogic Threat Intelligence