CVE-2024-21459 [Medium] | Out-of-bounds Read in Snapdragon W5\+ Gen 1 Wea…

CVE-2024-21459 is rated Low Risk (32.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.26%). 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	0.10%	0.26%	+0.16%
2	2025-11-21	0.17%	0.10%	-0.07%
3	2025-11-18	—	0.17%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.10%

0.26%

+0.16%

2025-11-21

0.17%

0.10%

-0.07%

2025-11-18

—

0.17%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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:L) Some sensitive info could get out, but not a total data dump. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	3.9	2.5	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. 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:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

3.9

2.5

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

Affected software / configurations for CVE-2024-21459

Vendor	Product	Version	Raw CPE
qualcomm	snapdragon_w5\+_gen_1_wearable_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_w5\+_gen_1_wearable_platform_firmware:-:::::::*
qualcomm	snapdragon_870_5g_mobile_platform_\(sm8250-ac\)_firmware	—	cpe:2.3:o:qualcomm:snapdragon_870_5g_mobile_platform_\(sm8250-ac\)_firmware:-:::::::*
qualcomm	snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\)_firmware	—	cpe:2.3:o:qualcomm:snapdragon_865\+_5g_mobile_platform_\(sm8250-ab\)_firmware:-:::::::*
qualcomm	wsa8835_firmware	—	cpe:2.3:o:qualcomm:wsa8835_firmware:-:::::::*
qualcomm	wsa8830_firmware	—	cpe:2.3:o:qualcomm:wsa8830_firmware:-:::::::*
qualcomm	wsa8815_firmware	—	cpe:2.3:o:qualcomm:wsa8815_firmware:-:::::::*
qualcomm	wsa8810_firmware	—	cpe:2.3:o:qualcomm:wsa8810_firmware:-:::::::*
qualcomm	wcn3988_firmware	—	cpe:2.3:o:qualcomm:wcn3988_firmware:-:::::::*
qualcomm	wcn3980_firmware	—	cpe:2.3:o:qualcomm:wcn3980_firmware:-:::::::*
qualcomm	wcn3950_firmware	—	cpe:2.3:o:qualcomm:wcn3950_firmware:-:::::::*
qualcomm	wcd9385_firmware	—	cpe:2.3:o:qualcomm:wcd9385_firmware:-:::::::*
qualcomm	wcd9380_firmware	—	cpe:2.3:o:qualcomm:wcd9380_firmware:-:::::::*
qualcomm	wcd9370_firmware	—	cpe:2.3:o:qualcomm:wcd9370_firmware:-:::::::*
qualcomm	wcd9341_firmware	—	cpe:2.3:o:qualcomm:wcd9341_firmware:-:::::::*
qualcomm	wcd9340_firmware	—	cpe:2.3:o:qualcomm:wcd9340_firmware:-:::::::*
qualcomm	sxr2130_firmware	—	cpe:2.3:o:qualcomm:sxr2130_firmware:-:::::::*
qualcomm	sw5100p_firmware	—	cpe:2.3:o:qualcomm:sw5100p_firmware:-:::::::*
qualcomm	sw5100_firmware	—	cpe:2.3:o:qualcomm:sw5100_firmware:-:::::::*
qualcomm	srv1m_firmware	—	cpe:2.3:o:qualcomm:srv1m_firmware:-:::::::*
qualcomm	srv1h_firmware	—	cpe:2.3:o:qualcomm:srv1h_firmware:-:::::::*
qualcomm	snapdragon_auto_4g_modem_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_4g_modem_firmware:-:::::::*
qualcomm	snapdragon_xr2_5g_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_xr2_5g_platform_firmware:-:::::::*
qualcomm	snapdragon_x75_5g_modem-rf_system_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x75_5g_modem-rf_system_firmware:-:::::::*
qualcomm	snapdragon_x72_5g_modem-rf_system_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x72_5g_modem-rf_system_firmware:-:::::::*
qualcomm	snapdragon_x65_5g_modem-rf_system_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x65_5g_modem-rf_system_firmware:-:::::::*
qualcomm	snapdragon_x55_5g_modem-rf_system_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_system_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_auto_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_auto_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_865_5g_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_865_5g_mobile_platform_firmware:-:::::::*
qualcomm	sdx65m_firmware	—	cpe:2.3:o:qualcomm:sdx65m_firmware:-:::::::*
qualcomm	sdx55_firmware	—	cpe:2.3:o:qualcomm:sdx55_firmware:-:::::::*
qualcomm	sd865_5g_firmware	—	cpe:2.3:o:qualcomm:sd865_5g_firmware:-:::::::*
qualcomm	sa9000p_firmware	—	cpe:2.3:o:qualcomm:sa9000p_firmware:-:::::::*
qualcomm	sa8775p_firmware	—	cpe:2.3:o:qualcomm:sa8775p_firmware:-:::::::*
qualcomm	sa8770p_firmware	—	cpe:2.3:o:qualcomm:sa8770p_firmware:-:::::::*
qualcomm	sa8650p_firmware	—	cpe:2.3:o:qualcomm:sa8650p_firmware:-:::::::*
qualcomm	sa8620p_firmware	—	cpe:2.3:o:qualcomm:sa8620p_firmware:-:::::::*
qualcomm	sa8295p_firmware	—	cpe:2.3:o:qualcomm:sa8295p_firmware:-:::::::*
qualcomm	sa8255p_firmware	—	cpe:2.3:o:qualcomm:sa8255p_firmware:-:::::::*
qualcomm	sa8195p_firmware	—	cpe:2.3:o:qualcomm:sa8195p_firmware:-:::::::*
qualcomm	sa8155p_firmware	—	cpe:2.3:o:qualcomm:sa8155p_firmware:-:::::::*
qualcomm	sa8150p_firmware	—	cpe:2.3:o:qualcomm:sa8150p_firmware:-:::::::*
qualcomm	sa8145p_firmware	—	cpe:2.3:o:qualcomm:sa8145p_firmware:-:::::::*
qualcomm	sa7775p_firmware	—	cpe:2.3:o:qualcomm:sa7775p_firmware:-:::::::*
qualcomm	sa7255p_firmware	—	cpe:2.3:o:qualcomm:sa7255p_firmware:-:::::::*
qualcomm	sa6155p_firmware	—	cpe:2.3:o:qualcomm:sa6155p_firmware:-:::::::*
qualcomm	sa6150p_firmware	—	cpe:2.3:o:qualcomm:sa6150p_firmware:-:::::::*
qualcomm	sa6145p_firmware	—	cpe:2.3:o:qualcomm:sa6145p_firmware:-:::::::*
qualcomm	sa4155p_firmware	—	cpe:2.3:o:qualcomm:sa4155p_firmware:-:::::::*
qualcomm	sa4150p_firmware	—	cpe:2.3:o:qualcomm:sa4150p_firmware:-:::::::*
qualcomm	video_collaboration_vc3_platform_firmware	—	cpe:2.3:o:qualcomm:video_collaboration_vc3_platform_firmware:-:::::::*
qualcomm	video_collaboration_vc1_platform_firmware	—	cpe:2.3:o:qualcomm:video_collaboration_vc1_platform_firmware:-:::::::*
qualcomm	qfw7124_firmware	—	cpe:2.3:o:qualcomm:qfw7124_firmware:-:::::::*
qualcomm	qfw7114_firmware	—	cpe:2.3:o:qualcomm:qfw7114_firmware:-:::::::*
qualcomm	qcs610_firmware	—	cpe:2.3:o:qualcomm:qcs610_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcn9274_firmware	—	cpe:2.3:o:qualcomm:qcn9274_firmware:-:::::::*
qualcomm	qcn9100_firmware	—	cpe:2.3:o:qualcomm:qcn9100_firmware:-:::::::*
qualcomm	qcn9074_firmware	—	cpe:2.3:o:qualcomm:qcn9074_firmware:-:::::::*
qualcomm	qcn9072_firmware	—	cpe:2.3:o:qualcomm:qcn9072_firmware:-:::::::*
qualcomm	qcn9070_firmware	—	cpe:2.3:o:qualcomm:qcn9070_firmware:-:::::::*
qualcomm	qcn9024_firmware	—	cpe:2.3:o:qualcomm:qcn9024_firmware:-:::::::*
qualcomm	qcn9022_firmware	—	cpe:2.3:o:qualcomm:qcn9022_firmware:-:::::::*
qualcomm	qcn9000_firmware	—	cpe:2.3:o:qualcomm:qcn9000_firmware:-:::::::*
qualcomm	qcn6432_firmware	—	cpe:2.3:o:qualcomm:qcn6432_firmware:-:::::::*
qualcomm	qcn6422_firmware	—	cpe:2.3:o:qualcomm:qcn6422_firmware:-:::::::*
qualcomm	qcn6412_firmware	—	cpe:2.3:o:qualcomm:qcn6412_firmware:-:::::::*
qualcomm	qcn6402_firmware	—	cpe:2.3:o:qualcomm:qcn6402_firmware:-:::::::*
qualcomm	qcn6274_firmware	—	cpe:2.3:o:qualcomm:qcn6274_firmware:-:::::::*
qualcomm	qcn6224_firmware	—	cpe:2.3:o:qualcomm:qcn6224_firmware:-:::::::*
qualcomm	qcn6132_firmware	—	cpe:2.3:o:qualcomm:qcn6132_firmware:-:::::::*
qualcomm	qcn6122_firmware	—	cpe:2.3:o:qualcomm:qcn6122_firmware:-:::::::*
qualcomm	qcn6112_firmware	—	cpe:2.3:o:qualcomm:qcn6112_firmware:-:::::::*
qualcomm	qcn6024_firmware	—	cpe:2.3:o:qualcomm:qcn6024_firmware:-:::::::*
qualcomm	qcn6023_firmware	—	cpe:2.3:o:qualcomm:qcn6023_firmware:-:::::::*
qualcomm	qcn5164_firmware	—	cpe:2.3:o:qualcomm:qcn5164_firmware:-:::::::*
qualcomm	qcn5154_firmware	—	cpe:2.3:o:qualcomm:qcn5154_firmware:-:::::::*
qualcomm	qcn5152_firmware	—	cpe:2.3:o:qualcomm:qcn5152_firmware:-:::::::*
qualcomm	qcn5124_firmware	—	cpe:2.3:o:qualcomm:qcn5124_firmware:-:::::::*
qualcomm	qcn5122_firmware	—	cpe:2.3:o:qualcomm:qcn5122_firmware:-:::::::*

References for CVE-2024-21459

URL	Tags
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2024-bulletin.html	Vendor Advisory

URL

CVE-2024-21459 | Buffer Over-read in WLAN HOST

Exploit prediction scoring system (EPSS) score for CVE-2024-21459

Common vulnerability scoring system (CVSS) metrics for CVE-2024-21459

Weakness enumeration for CVE-2024-21459

Affected software / configurations for CVE-2024-21459

References for CVE-2024-21459