CVE-2024-43047 [Exploited] | Qualcomm Fastconnect 6700 Firmware Use-After-Free

CVE-2024-43047 is rated Critical Active Threat (85.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.03%). CISA KEV confirms active exploitation (added 2024-10-08) affecting Qualcomm / Multiple Chipsets. a weakness (CWE-416) Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-11	1.75%	2.03%	+0.28%
2	2026-01-31	2.34%	1.75%	-0.59%
3	2025-12-26	—	2.34%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-11

1.75%

2.03%

+0.28%

2026-01-31

2.34%

1.75%

-0.59%

2025-12-26

—

2.34%

—

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]

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]

Affected software / configurations for CVE-2024-43047

Vendor	Product	Version	Raw CPE
qualcomm	fastconnect_6700_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:::::::*
qualcomm	fastconnect_6800_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:::::::*
qualcomm	fastconnect_6900_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:::::::*
qualcomm	fastconnect_7800_firmware	—	cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:::::::*
qualcomm	qam8295p_firmware	—	cpe:2.3:o:qualcomm:qam8295p_firmware:-:::::::*
qualcomm	qca6174a_firmware	—	cpe:2.3:o:qualcomm:qca6174a_firmware:-:::::::*
qualcomm	qca6391_firmware	—	cpe:2.3:o:qualcomm:qca6391_firmware:-:::::::*
qualcomm	qca6426_firmware	—	cpe:2.3:o:qualcomm:qca6426_firmware:-:::::::*
qualcomm	qca6436_firmware	—	cpe:2.3:o:qualcomm:qca6436_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	qca6688aq_firmware	—	cpe:2.3:o:qualcomm:qca6688aq_firmware:-:::::::*
qualcomm	qca6696_firmware	—	cpe:2.3:o:qualcomm:qca6696_firmware:-:::::::*
qualcomm	qca6698aq_firmware	—	cpe:2.3:o:qualcomm:qca6698aq_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs610_firmware	—	cpe:2.3:o:qualcomm:qcs610_firmware:-:::::::*
qualcomm	qcs6490_firmware	—	cpe:2.3:o:qualcomm:qcs6490_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	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	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	sa8295p_firmware	—	cpe:2.3:o:qualcomm:sa8295p_firmware:-:::::::*
qualcomm	sd660_firmware	—	cpe:2.3:o:qualcomm:sd660_firmware:-:::::::*
qualcomm	sd865_5g_firmware	—	cpe:2.3:o:qualcomm:sd865_5g_firmware:-:::::::*
qualcomm	sg4150p_firmware	—	cpe:2.3:o:qualcomm:sg4150p_firmware:-:::::::*
qualcomm	snapdragon_660_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_660_mobile_firmware:-:::::::*
qualcomm	snapdragon_680_4g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_680_4g_mobile_firmware:-:::::::*
qualcomm	snapdragon_685_4g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_685_4g_mobile_firmware:-:::::::*
qualcomm	snapdragon_8_gen_1_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_1_mobile_firmware:-:::::::*
qualcomm	snapdragon_865_5g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_865_5g_mobile_firmware:-:::::::*
qualcomm	snapdragon_865\+_5g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_865\+_5g_mobile_firmware:-:::::::*
qualcomm	snapdragon_870_5g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_870_5g_mobile_firmware:-:::::::*
qualcomm	snapdragon_888_5g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_888_5g_mobile_firmware:-:::::::*
qualcomm	snapdragon_888\+_5g_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_888\+_5g_mobile_firmware:-:::::::*
qualcomm	snapdragon_auto_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_auto_5g_modem-rf_gen_2_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_5g_modem-rf_gen_2_firmware:-:::::::*
qualcomm	snapdragon_x55_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_xr2_5g_firmware	—	cpe:2.3:o:qualcomm:snapdragon_xr2_5g_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	wcd9341_firmware	—	cpe:2.3:o:qualcomm:wcd9341_firmware:-:::::::*
qualcomm	wcd9370_firmware	—	cpe:2.3:o:qualcomm:wcd9370_firmware:-:::::::*
qualcomm	wcd9375_firmware	—	cpe:2.3:o:qualcomm:wcd9375_firmware:-:::::::*
qualcomm	wcd9380_firmware	—	cpe:2.3:o:qualcomm:wcd9380_firmware:-:::::::*
qualcomm	wcd9385_firmware	—	cpe:2.3:o:qualcomm:wcd9385_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:-:::::::*
qualcomm	wsa8815_firmware	—	cpe:2.3:o:qualcomm:wsa8815_firmware:-:::::::*
qualcomm	wsa8830_firmware	—	cpe:2.3:o:qualcomm:wsa8830_firmware:-:::::::*
qualcomm	wsa8835_firmware	—	cpe:2.3:o:qualcomm:wsa8835_firmware:-:::::::*

References for CVE-2024-43047

URL	Tags
https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2024-bulletin.html	Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43047	US Government Resource

URL

CVE-2024-43047 | Use After Free in DSP Service

CISA KEV Record for CVE-2024-43047

Exploit prediction scoring system (EPSS) score for CVE-2024-43047

Common vulnerability scoring system (CVSS) metrics for CVE-2024-43047

Weakness enumeration for CVE-2024-43047

Affected software / configurations for CVE-2024-43047

References for CVE-2024-43047