CVE-2025-21468 [High] | Out-of-bounds Write in Ar8035 Firmware

CVE-2025-21468 is rated Low Risk (38.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.07%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-03-02	0.01%	0.07%	+0.05%
2	2025-05-06	—	0.01%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-03-02

0.01%

0.07%

+0.05%

2025-05-06

—

0.01%

—

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-2025-21468

Vendor	Product	Version	Raw CPE
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	fastconnect_6200_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:::::::*
qualcomm	fastconnect_6700_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6700_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	wcn3910_firmware	—	cpe:2.3:o:qualcomm:wcn3910_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	wcn6450_firmware	—	cpe:2.3:o:qualcomm:wcn6450_firmware:-:::::::*
qualcomm	wcn6650_firmware	—	cpe:2.3:o:qualcomm:wcn6650_firmware:-:::::::*
qualcomm	wcn6740_firmware	—	cpe:2.3:o:qualcomm:wcn6740_firmware:-:::::::*
qualcomm	wcn6755_firmware	—	cpe:2.3:o:qualcomm:wcn6755_firmware:-:::::::*
qualcomm	wcn7750_firmware	—	cpe:2.3:o:qualcomm:wcn7750_firmware:-:::::::*
qualcomm	wcn7860_firmware	—	cpe:2.3:o:qualcomm:wcn7860_firmware:-:::::::*
qualcomm	wcn7861_firmware	—	cpe:2.3:o:qualcomm:wcn7861_firmware:-:::::::*
qualcomm	wcn7880_firmware	—	cpe:2.3:o:qualcomm:wcn7880_firmware:-:::::::*
qualcomm	wcn7881_firmware	—	cpe:2.3:o:qualcomm:wcn7881_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	wsa8832_firmware	—	cpe:2.3:o:qualcomm:wsa8832_firmware:-:::::::*
qualcomm	wsa8835_firmware	—	cpe:2.3:o:qualcomm:wsa8835_firmware:-:::::::*
qualcomm	wsa8840_firmware	—	cpe:2.3:o:qualcomm:wsa8840_firmware:-:::::::*
qualcomm	wsa8845_firmware	—	cpe:2.3:o:qualcomm:wsa8845_firmware:-:::::::*
qualcomm	wsa8845h_firmware	—	cpe:2.3:o:qualcomm:wsa8845h_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	flight_rb5_5g_firmware	—	cpe:2.3:o:qualcomm:flight_rb5_5g_firmware:-:::::::*
qualcomm	mdm9628_firmware	—	cpe:2.3:o:qualcomm:mdm9628_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	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	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	qca9377_firmware	—	cpe:2.3:o:qualcomm:qca9377_firmware:-:::::::*
qualcomm	qcm4490_firmware	—	cpe:2.3:o:qualcomm:qcm4490_firmware:-:::::::*
qualcomm	qcm5430_firmware	—	cpe:2.3:o:qualcomm:qcm5430_firmware:-:::::::*
qualcomm	qcm6490_firmware	—	cpe:2.3:o:qualcomm:qcm6490_firmware:-:::::::*
qualcomm	qcm8550_firmware	—	cpe:2.3:o:qualcomm:qcm8550_firmware:-:::::::*
qualcomm	qcn6024_firmware	—	cpe:2.3:o:qualcomm:qcn6024_firmware:-:::::::*
qualcomm	qcn9011_firmware	—	cpe:2.3:o:qualcomm:qcn9011_firmware:-:::::::*
qualcomm	qcn9012_firmware	—	cpe:2.3:o:qualcomm:qcn9012_firmware:-:::::::*
qualcomm	qcn9024_firmware	—	cpe:2.3:o:qualcomm:qcn9024_firmware:-:::::::*
qualcomm	qcn9274_firmware	—	cpe:2.3:o:qualcomm:qcn9274_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs4490_firmware	—	cpe:2.3:o:qualcomm:qcs4490_firmware:-:::::::*
qualcomm	qcs5430_firmware	—	cpe:2.3:o:qualcomm:qcs5430_firmware:-:::::::*
qualcomm	qcs610_firmware	—	cpe:2.3:o:qualcomm:qcs610_firmware:-:::::::*
qualcomm	qcs615_firmware	—	cpe:2.3:o:qualcomm:qcs615_firmware:-:::::::*
qualcomm	qcs6490_firmware	—	cpe:2.3:o:qualcomm:qcs6490_firmware:-:::::::*
qualcomm	qcs7230_firmware	—	cpe:2.3:o:qualcomm:qcs7230_firmware:-:::::::*
qualcomm	qcs8250_firmware	—	cpe:2.3:o:qualcomm:qcs8250_firmware:-:::::::*
qualcomm	qcs8300_firmware	—	cpe:2.3:o:qualcomm:qcs8300_firmware:-:::::::*
qualcomm	qcs8550_firmware	—	cpe:2.3:o:qualcomm:qcs8550_firmware:-:::::::*
qualcomm	qcs9100_firmware	—	cpe:2.3:o:qualcomm:qcs9100_firmware:-:::::::*
qualcomm	qmp1000_firmware	—	cpe:2.3:o:qualcomm:qmp1000_firmware:-:::::::*
qualcomm	qrb5165m_firmware	—	cpe:2.3:o:qualcomm:qrb5165m_firmware:-:::::::*
qualcomm	qrb5165n_firmware	—	cpe:2.3:o:qualcomm:qrb5165n_firmware:-:::::::*
qualcomm	qsm8350_firmware	—	cpe:2.3:o:qualcomm:qsm8350_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	video_collaboration_vc5_platform_firmware	—	cpe:2.3:o:qualcomm:video_collaboration_vc5_platform_firmware:-:::::::*
qualcomm	robotics_rb2_firmware	—	cpe:2.3:o:qualcomm:robotics_rb2_firmware:-:::::::*
qualcomm	robotics_rb5_firmware	—	cpe:2.3:o:qualcomm:robotics_rb5_firmware:-:::::::*
qualcomm	sa4150p_firmware	—	cpe:2.3:o:qualcomm:sa4150p_firmware:-:::::::*

References for CVE-2025-21468

URL	Tags
https://docs.qualcomm.com/product/publicresources/securitybulletin/may-2025-bulletin.html	Patch Vendor Advisory

URL

CVE-2025-21468 | Out-of-bounds Write in Computer Vision

Exploit prediction scoring system (EPSS) score for CVE-2025-21468

Common vulnerability scoring system (CVSS) metrics for CVE-2025-21468

Weakness enumeration for CVE-2025-21468

Affected software / configurations for CVE-2025-21468

References for CVE-2025-21468