CVE-2022-40527 [High] | Denial of Service in Ar8035 Firmware

CVE-2022-40527 is rated Moderate Risk (41.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.41%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.26%	0.41%	+0.15%
2	2026-06-09	0.36%	0.26%	-0.10%
3	2026-04-05	—	0.36%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.26%

0.41%

+0.15%

2026-06-09

0.36%

0.26%

-0.10%

2026-04-05

—

0.36%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` 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:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` 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:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

3.6

[email protected]

Affected software / configurations for CVE-2022-40527

Vendor	Product	Version	Raw CPE
qualcomm	ar8035_firmware	—	cpe:2.3:o:qualcomm:ar8035_firmware:-:::::::*
qualcomm	csr8811_firmware	—	cpe:2.3:o:qualcomm:csr8811_firmware:-:::::::*
qualcomm	ipq5010_firmware	—	cpe:2.3:o:qualcomm:ipq5010_firmware:-:::::::*
qualcomm	ipq5018_firmware	—	cpe:2.3:o:qualcomm:ipq5018_firmware:-:::::::*
qualcomm	ipq5028_firmware	—	cpe:2.3:o:qualcomm:ipq5028_firmware:-:::::::*
qualcomm	ipq6000_firmware	—	cpe:2.3:o:qualcomm:ipq6000_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	ipq8070_firmware	—	cpe:2.3:o:qualcomm:ipq8070_firmware:-:::::::*
qualcomm	ipq8070a_firmware	—	cpe:2.3:o:qualcomm:ipq8070a_firmware:-:::::::*
qualcomm	ipq8071a_firmware	—	cpe:2.3:o:qualcomm:ipq8071a_firmware:-:::::::*
qualcomm	ipq8072a_firmware	—	cpe:2.3:o:qualcomm:ipq8072a_firmware:-:::::::*
qualcomm	ipq8074a_firmware	—	cpe:2.3:o:qualcomm:ipq8074a_firmware:-:::::::*
qualcomm	ipq8076_firmware	—	cpe:2.3:o:qualcomm:ipq8076_firmware:-:::::::*
qualcomm	ipq8076a_firmware	—	cpe:2.3:o:qualcomm:ipq8076a_firmware:-:::::::*
qualcomm	ipq8078_firmware	—	cpe:2.3:o:qualcomm:ipq8078_firmware:-:::::::*
qualcomm	ipq8078a_firmware	—	cpe:2.3:o:qualcomm:ipq8078a_firmware:-:::::::*
qualcomm	ipq8173_firmware	—	cpe:2.3:o:qualcomm:ipq8173_firmware:-:::::::*
qualcomm	ipq8174_firmware	—	cpe:2.3:o:qualcomm:ipq8174_firmware:-:::::::*
qualcomm	ipq9008_firmware	—	cpe:2.3:o:qualcomm:ipq9008_firmware:-:::::::*
qualcomm	ipq9574_firmware	—	cpe:2.3:o:qualcomm:ipq9574_firmware:-:::::::*
qualcomm	pmp8074_firmware	—	cpe:2.3:o:qualcomm:pmp8074_firmware:-:::::::*
qualcomm	qca4024_firmware	—	cpe:2.3:o:qualcomm:qca4024_firmware:-:::::::*
qualcomm	qca6390_firmware	—	cpe:2.3:o:qualcomm:qca6390_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	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	qca9888_firmware	—	cpe:2.3:o:qualcomm:qca9888_firmware:-:::::::*
qualcomm	qca9889_firmware	—	cpe:2.3:o:qualcomm:qca9889_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	qcn5024_firmware	—	cpe:2.3:o:qualcomm:qcn5024_firmware:-:::::::*
qualcomm	qcn5052_firmware	—	cpe:2.3:o:qualcomm:qcn5052_firmware:-:::::::*
qualcomm	qcn5054_firmware	—	cpe:2.3:o:qualcomm:qcn5054_firmware:-:::::::*
qualcomm	qcn5122_firmware	—	cpe:2.3:o:qualcomm:qcn5122_firmware:-:::::::*
qualcomm	qcn5124_firmware	—	cpe:2.3:o:qualcomm:qcn5124_firmware:-:::::::*
qualcomm	qcn5152_firmware	—	cpe:2.3:o:qualcomm:qcn5152_firmware:-:::::::*
qualcomm	qcn5154_firmware	—	cpe:2.3:o:qualcomm:qcn5154_firmware:-:::::::*
qualcomm	qcn5164_firmware	—	cpe:2.3:o:qualcomm:qcn5164_firmware:-:::::::*
qualcomm	qcn6023_firmware	—	cpe:2.3:o:qualcomm:qcn6023_firmware:-:::::::*
qualcomm	qcn6024_firmware	—	cpe:2.3:o:qualcomm:qcn6024_firmware:-:::::::*
qualcomm	qcn6100_firmware	—	cpe:2.3:o:qualcomm:qcn6100_firmware:-:::::::*
qualcomm	qcn6102_firmware	—	cpe:2.3:o:qualcomm:qcn6102_firmware:-:::::::*
qualcomm	qcn6112_firmware	—	cpe:2.3:o:qualcomm:qcn6112_firmware:-:::::::*
qualcomm	qcn6122_firmware	—	cpe:2.3:o:qualcomm:qcn6122_firmware:-:::::::*
qualcomm	qcn6132_firmware	—	cpe:2.3:o:qualcomm:qcn6132_firmware:-:::::::*
qualcomm	qcn9000_firmware	—	cpe:2.3:o:qualcomm:qcn9000_firmware:-:::::::*
qualcomm	qcn9001_firmware	—	cpe:2.3:o:qualcomm:qcn9001_firmware:-:::::::*
qualcomm	qcn9002_firmware	—	cpe:2.3:o:qualcomm:qcn9002_firmware:-:::::::*
qualcomm	qcn9003_firmware	—	cpe:2.3:o:qualcomm:qcn9003_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	qcn9100_firmware	—	cpe:2.3:o:qualcomm:qcn9100_firmware:-:::::::*
qualcomm	qcn9274_firmware	—	cpe:2.3:o:qualcomm:qcn9274_firmware:-:::::::*
qualcomm	qcs6490_firmware	—	cpe:2.3:o:qualcomm:qcs6490_firmware:-:::::::*
qualcomm	sd_8_gen1_5g_firmware	—	cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:::::::*
qualcomm	sd778g_firmware	—	cpe:2.3:o:qualcomm:sd778g_firmware:-:::::::*
qualcomm	sd865_5g_firmware	—	cpe:2.3:o:qualcomm:sd865_5g_firmware:-:::::::*
qualcomm	sd870_firmware	—	cpe:2.3:o:qualcomm:sd870_firmware:-:::::::*
qualcomm	sd888_5g_firmware	—	cpe:2.3:o:qualcomm:sd888_5g_firmware:-:::::::*
qualcomm	sdx65_firmware	—	cpe:2.3:o:qualcomm:sdx65_firmware:-:::::::*
qualcomm	sdx65m_firmware	—	cpe:2.3:o:qualcomm:sdx65m_firmware:-:::::::*
qualcomm	sm7315_firmware	—	cpe:2.3:o:qualcomm:sm7315_firmware:-:::::::*
qualcomm	sm7325p_firmware	—	cpe:2.3:o:qualcomm:sm7325p_firmware:-:::::::*
qualcomm	ssg2115p_firmware	—	cpe:2.3:o:qualcomm:ssg2115p_firmware:-:::::::*
qualcomm	ssg2125p_firmware	—	cpe:2.3:o:qualcomm:ssg2125p_firmware:-:::::::*

References for CVE-2022-40527

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

URL

CVE-2022-40527 | Reachable Assertion in WLAN Embedded SW

Exploit prediction scoring system (EPSS) score for CVE-2022-40527

Common vulnerability scoring system (CVSS) metrics for CVE-2022-40527

Weakness enumeration for CVE-2022-40527

Affected software / configurations for CVE-2022-40527

References for CVE-2022-40527