CVE-2023-28571 [Medium] | Out-of-bounds Read in Apq8064au Firmware

CVE-2023-28571 is rated Low Risk (25/100): 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	0.04%	0.11%	+0.07%
2	2025-03-30	0.07%	0.04%	-0.04%
3	2025-03-29	—	0.07%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.04%

0.11%

+0.07%

2025-03-30

0.07%

0.04%

-0.04%

2025-03-29

—

0.07%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.1	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/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: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:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	1.8	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

6.1

3.1

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/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: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:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

1.8

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-2023-28571

Vendor	Product	Version	Raw CPE
qualcomm	apq8064au_firmware	—	cpe:2.3:o:qualcomm:apq8064au_firmware:-:::::::*
qualcomm	csrb31024_firmware	—	cpe:2.3:o:qualcomm:csrb31024_firmware:-:::::::*
qualcomm	qca6390_firmware	—	cpe:2.3:o:qualcomm:qca6390_firmware:-:::::::*
qualcomm	wcn685x-5_firmware	—	cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:::::::*
qualcomm	wcn685x-1_firmware	—	cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:::::::*
qualcomm	wcn785x-1_firmware	—	cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:::::::*
qualcomm	wcn785x-5_firmware	—	cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:::::::*
qualcomm	mdm9650_firmware	—	cpe:2.3:o:qualcomm:mdm9650_firmware:-:::::::*
qualcomm	msm8996au_firmware	—	cpe:2.3:o:qualcomm:msm8996au_firmware:-:::::::*
qualcomm	qam8255p_firmware	—	cpe:2.3:o:qualcomm:qam8255p_firmware:-:::::::*
qualcomm	qam8295p_firmware	—	cpe:2.3:o:qualcomm:qam8295p_firmware:-:::::::*
qualcomm	qca6175a_firmware	—	cpe:2.3:o:qualcomm:qca6175a_firmware:-:::::::*
qualcomm	qca6310_firmware	—	cpe:2.3:o:qualcomm:qca6310_firmware:-:::::::*
qualcomm	qca6320_firmware	—	cpe:2.3:o:qualcomm:qca6320_firmware:-:::::::*
qualcomm	qca6391_firmware	—	cpe:2.3:o:qualcomm:qca6391_firmware:-:::::::*
qualcomm	qca6421_firmware	—	cpe:2.3:o:qualcomm:qca6421_firmware:-:::::::*
qualcomm	qca6426_firmware	—	cpe:2.3:o:qualcomm:qca6426_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	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	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	qca6797aq_firmware	—	cpe:2.3:o:qualcomm:qca6797aq_firmware:-:::::::*
qualcomm	qcc2073_firmware	—	cpe:2.3:o:qualcomm:qcc2073_firmware:-:::::::*
qualcomm	qcc2076_firmware	—	cpe:2.3:o:qualcomm:qcc2076_firmware:-:::::::*
qualcomm	qcn9074_firmware	—	cpe:2.3:o:qualcomm:qcn9074_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs610_firmware	—	cpe:2.3:o:qualcomm:qcs610_firmware:-:::::::*
qualcomm	video_collaboration_vc1_platform_firmware	—	cpe:2.3:o:qualcomm:video_collaboration_vc1_platform_firmware:-:::::::*
qualcomm	video_collaboration_vc3_platform_firmware	—	cpe:2.3:o:qualcomm:video_collaboration_vc3_platform_firmware:-:::::::*
qualcomm	sa6145p_firmware	—	cpe:2.3:o:qualcomm:sa6145p_firmware:-:::::::*
qualcomm	sa6150p_firmware	—	cpe:2.3:o:qualcomm:sa6150p_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	sa8155p_firmware	—	cpe:2.3:o:qualcomm:sa8155p_firmware:-:::::::*
qualcomm	sa8195p_firmware	—	cpe:2.3:o:qualcomm:sa8195p_firmware:-:::::::*
qualcomm	sa8255p_firmware	—	cpe:2.3:o:qualcomm:sa8255p_firmware:-:::::::*
qualcomm	sa8295p_firmware	—	cpe:2.3:o:qualcomm:sa8295p_firmware:-:::::::*
qualcomm	sd835_firmware	—	cpe:2.3:o:qualcomm:sd835_firmware:-:::::::*
qualcomm	sd865_5g_firmware	—	cpe:2.3:o:qualcomm:sd865_5g_firmware:-:::::::*
qualcomm	sm8550p_firmware	—	cpe:2.3:o:qualcomm:sm8550p_firmware:-:::::::*
qualcomm	snapdragon_8_gen_2_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_2_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_8\+_gen_2_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8\+_gen_2_mobile_platform_firmware:-:::::::*
qualcomm	s820a_firmware	—	cpe:2.3:o:qualcomm:s820a_firmware:-:::::::*
qualcomm	8098_firmware	—	cpe:2.3:o:qualcomm:8098_firmware:-:::::::*
qualcomm	8998_firmware	—	cpe:2.3:o:qualcomm:8998_firmware:-:::::::*
qualcomm	sm8250_firmware	—	cpe:2.3:o:qualcomm:sm8250_firmware:-:::::::*
qualcomm	sm8250-ab_firmware	—	cpe:2.3:o:qualcomm:sm8250-ab_firmware:-:::::::*
qualcomm	sm8250-ac_firmware	—	cpe:2.3:o:qualcomm:sm8250-ac_firmware:-:::::::*
qualcomm	snapdragon_auto_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_w5\+_gen_1_wearable_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_w5\+_gen_1_wearable_platform_firmware:-:::::::*
qualcomm	snapdragon_x55_5g_modem-rf_system_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_system_firmware:-:::::::*
qualcomm	snapdragon_xr2_5g_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_xr2_5g_platform_firmware:-:::::::*
qualcomm	snapdragon_auto_4g_modem_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_4g_modem_firmware:-:::::::*
qualcomm	sw5100_firmware	—	cpe:2.3:o:qualcomm:sw5100_firmware:-:::::::*
qualcomm	sw5100p_firmware	—	cpe:2.3:o:qualcomm:sw5100p_firmware:-:::::::*
qualcomm	sxr2130_firmware	—	cpe:2.3:o:qualcomm:sxr2130_firmware:-:::::::*
qualcomm	wcd9335_firmware	—	cpe:2.3:o:qualcomm:wcd9335_firmware:-:::::::*
qualcomm	wcd9340_firmware	—	cpe:2.3:o:qualcomm:wcd9340_firmware:-:::::::*
qualcomm	wcd9341_firmware	—	cpe:2.3:o:qualcomm:wcd9341_firmware:-:::::::*
qualcomm	wcd9370_firmware	—	cpe:2.3:o:qualcomm:wcd9370_firmware:-:::::::*
qualcomm	wcd9380_firmware	—	cpe:2.3:o:qualcomm:wcd9380_firmware:-:::::::*
qualcomm	wcd9385_firmware	—	cpe:2.3:o:qualcomm:wcd9385_firmware:-:::::::*
qualcomm	wcd9390_firmware	—	cpe:2.3:o:qualcomm:wcd9390_firmware:-:::::::*
qualcomm	wcd9395_firmware	—	cpe:2.3:o:qualcomm:wcd9395_firmware:-:::::::*
qualcomm	wcn3950_firmware	—	cpe:2.3:o:qualcomm:wcn3950_firmware:-:::::::*
qualcomm	wcn3980_firmware	—	cpe:2.3:o:qualcomm:wcn3980_firmware:-:::::::*
qualcomm	wcn3988_firmware	—	cpe:2.3:o:qualcomm:wcn3988_firmware:-:::::::*
qualcomm	wcn3990_firmware	—	cpe:2.3:o:qualcomm:wcn3990_firmware:-:::::::*
qualcomm	wsa8810_firmware	—	cpe:2.3:o:qualcomm:wsa8810_firmware:-:::::::*

References for CVE-2023-28571

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

URL

CVE-2023-28571 | Buffer Over-read in WLAN HOST

Exploit prediction scoring system (EPSS) score for CVE-2023-28571

Common vulnerability scoring system (CVSS) metrics for CVE-2023-28571

Weakness enumeration for CVE-2023-28571

Affected software / configurations for CVE-2023-28571

References for CVE-2023-28571