CVE-2022-40519 [Medium] | Out-of-bounds Read in Aqt1000 Firmware

CVE-2022-40519 is rated Low Risk (27.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.11%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.05%	0.11%	+0.07%
2	2026-06-12	0.05%	0.05%	-0.01%
3	2026-01-14	—	0.05%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.05%

0.11%

+0.07%

2026-06-12

0.05%

-0.01%

2026-01-14

—

0.05%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.8	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L` 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:N) Data isn’t meaningfully altered or forged. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	2.5	4.2	[email protected]
5.5	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N` 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:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	1.8	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.8

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L 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:N): Data isn’t meaningfully altered or forged.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

2.5

4.2

[email protected]

5.5

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

1.8

3.6

[email protected]

Affected software / configurations for CVE-2022-40519

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	fsm10056_firmware	—	cpe:2.3:o:qualcomm:fsm10056_firmware:-:::::::*
qualcomm	ipq6000_firmware	—	cpe:2.3:o:qualcomm:ipq6000_firmware:-:::::::*
qualcomm	ipq6005_firmware	—	cpe:2.3:o:qualcomm:ipq6005_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	ipq9008_firmware	—	cpe:2.3:o:qualcomm:ipq9008_firmware:-:::::::*
qualcomm	ipq9574_firmware	—	cpe:2.3:o:qualcomm:ipq9574_firmware:-:::::::*
qualcomm	mdm9150_firmware	—	cpe:2.3:o:qualcomm:mdm9150_firmware:-:::::::*
qualcomm	mdm9205_firmware	—	cpe:2.3:o:qualcomm:mdm9205_firmware:-:::::::*
qualcomm	qam8295p_firmware	—	cpe:2.3:o:qualcomm:qam8295p_firmware:-:::::::*
qualcomm	qca4004_firmware	—	cpe:2.3:o:qualcomm:qca4004_firmware:-:::::::*
qualcomm	qca4024_firmware	—	cpe:2.3:o:qualcomm:qca4024_firmware:-:::::::*
qualcomm	qca6174a_firmware	—	cpe:2.3:o:qualcomm:qca6174a_firmware:-:::::::*
qualcomm	qca6310_firmware	—	cpe:2.3:o:qualcomm:qca6310_firmware:-:::::::*
qualcomm	qca6320_firmware	—	cpe:2.3:o:qualcomm:qca6320_firmware:-:::::::*
qualcomm	qca6335_firmware	—	cpe:2.3:o:qualcomm:qca6335_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	qca6564_firmware	—	cpe:2.3:o:qualcomm:qca6564_firmware:-:::::::*
qualcomm	qca6564a_firmware	—	cpe:2.3:o:qualcomm:qca6564a_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	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	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	qca9377_firmware	—	cpe:2.3:o:qualcomm:qca9377_firmware:-:::::::*
qualcomm	qca9984_firmware	—	cpe:2.3:o:qualcomm:qca9984_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	qcn5021_firmware	—	cpe:2.3:o:qualcomm:qcn5021_firmware:-:::::::*
qualcomm	qcn5022_firmware	—	cpe:2.3:o:qualcomm:qcn5022_firmware:-:::::::*
qualcomm	qcn5052_firmware	—	cpe:2.3:o:qualcomm:qcn5052_firmware:-:::::::*
qualcomm	qcn5121_firmware	—	cpe:2.3:o:qualcomm:qcn5121_firmware:-:::::::*
qualcomm	qcn5122_firmware	—	cpe:2.3:o:qualcomm:qcn5122_firmware:-:::::::*
qualcomm	qcn5152_firmware	—	cpe:2.3:o:qualcomm:qcn5152_firmware:-:::::::*
qualcomm	qcn6023_firmware	—	cpe:2.3:o:qualcomm:qcn6023_firmware:-:::::::*
qualcomm	qcn6024_firmware	—	cpe:2.3:o:qualcomm:qcn6024_firmware:-:::::::*
qualcomm	qcn7606_firmware	—	cpe:2.3:o:qualcomm:qcn7606_firmware:-:::::::*
qualcomm	qcn9000_firmware	—	cpe:2.3:o:qualcomm:qcn9000_firmware:-:::::::*
qualcomm	qcn9011_firmware	—	cpe:2.3:o:qualcomm:qcn9011_firmware:-:::::::*
qualcomm	qcn9012_firmware	—	cpe:2.3:o:qualcomm:qcn9012_firmware:-:::::::*
qualcomm	qcn9022_firmware	—	cpe:2.3:o:qualcomm:qcn9022_firmware:-:::::::*
qualcomm	qcn9024_firmware	—	cpe:2.3:o:qualcomm:qcn9024_firmware:-:::::::*
qualcomm	qcn9070_firmware	—	cpe:2.3:o:qualcomm:qcn9070_firmware:-:::::::*
qualcomm	qcn9072_firmware	—	cpe:2.3:o:qualcomm:qcn9072_firmware:-:::::::*
qualcomm	qcn9074_firmware	—	cpe:2.3:o:qualcomm:qcn9074_firmware:-:::::::*
qualcomm	qcn9274_firmware	—	cpe:2.3:o:qualcomm:qcn9274_firmware:-:::::::*
qualcomm	qcs2290_firmware	—	cpe:2.3:o:qualcomm:qcs2290_firmware:-:::::::*
qualcomm	qcs405_firmware	—	cpe:2.3:o:qualcomm:qcs405_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs4290_firmware	—	cpe:2.3:o:qualcomm:qcs4290_firmware:-:::::::*
qualcomm	qcs603_firmware	—	cpe:2.3:o:qualcomm:qcs603_firmware:-:::::::*
qualcomm	qcs605_firmware	—	cpe:2.3:o:qualcomm:qcs605_firmware:-:::::::*

References for CVE-2022-40519

URL	Tags
https://www.qualcomm.com/company/product-security/bulletins/january-2023-bulletin	Vendor Advisory

URL

CVE-2022-40519 | Buffer over-read in Core

Exploit prediction scoring system (EPSS) score for CVE-2022-40519

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40519

Weakness enumeration for CVE-2022-40519

Affected software / configurations for CVE-2022-40519

References for CVE-2022-40519