CVE-2025-27057 [High] | Out-of-bounds Read in Ar8035 Firmware

CVE-2025-27057 is rated Low Risk (33.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.21%). 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	0.35%	0.21%	-0.14%
2	2026-05-04	0.05%	0.35%	+0.30%
3	2025-12-16	—	0.05%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.35%

0.21%

-0.14%

2026-05-04

0.05%

0.35%

+0.30%

2025-12-16

—

0.05%

—

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]

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]

Affected software / configurations for CVE-2025-27057

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	fastconnect_6700_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6700_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	immersive_home_214_firmware	—	cpe:2.3:o:qualcomm:immersive_home_214_firmware:-:::::::*
qualcomm	immersive_home_216_firmware	—	cpe:2.3:o:qualcomm:immersive_home_216_firmware:-:::::::*
qualcomm	immersive_home_316_firmware	—	cpe:2.3:o:qualcomm:immersive_home_316_firmware:-:::::::*
qualcomm	immersive_home_318_firmware	—	cpe:2.3:o:qualcomm:immersive_home_318_firmware:-:::::::*
qualcomm	immersive_home_3210_firmware	—	cpe:2.3:o:qualcomm:immersive_home_3210_firmware:-:::::::*
qualcomm	immersive_home_326_firmware	—	cpe:2.3:o:qualcomm:immersive_home_326_firmware:-:::::::*
qualcomm	ipq5010_firmware	—	cpe:2.3:o:qualcomm:ipq5010_firmware:-:::::::*
qualcomm	ipq5028_firmware	—	cpe:2.3:o:qualcomm:ipq5028_firmware:-:::::::*
qualcomm	ipq5300_firmware	—	cpe:2.3:o:qualcomm:ipq5300_firmware:-:::::::*
qualcomm	ipq5302_firmware	—	cpe:2.3:o:qualcomm:ipq5302_firmware:-:::::::*
qualcomm	ipq5312_firmware	—	cpe:2.3:o:qualcomm:ipq5312_firmware:-:::::::*
qualcomm	ipq5332_firmware	—	cpe:2.3:o:qualcomm:ipq5332_firmware:-:::::::*
qualcomm	ipq5424_firmware	—	cpe:2.3:o:qualcomm:ipq5424_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	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	ipq9048_firmware	—	cpe:2.3:o:qualcomm:ipq9048_firmware:-:::::::*
qualcomm	ipq9554_firmware	—	cpe:2.3:o:qualcomm:ipq9554_firmware:-:::::::*
qualcomm	ipq9570_firmware	—	cpe:2.3:o:qualcomm:ipq9570_firmware:-:::::::*
qualcomm	ipq9574_firmware	—	cpe:2.3:o:qualcomm:ipq9574_firmware:-:::::::*
qualcomm	qam8255p_firmware	—	cpe:2.3:o:qualcomm:qam8255p_firmware:-:::::::*
qualcomm	qam8295p_firmware	—	cpe:2.3:o:qualcomm:qam8295p_firmware:-:::::::*
qualcomm	qam8620p_firmware	—	cpe:2.3:o:qualcomm:qam8620p_firmware:-:::::::*
qualcomm	qam8650p_firmware	—	cpe:2.3:o:qualcomm:qam8650p_firmware:-:::::::*
qualcomm	qam8775p_firmware	—	cpe:2.3:o:qualcomm:qam8775p_firmware:-:::::::*
qualcomm	qamsrv1h_firmware	—	cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:::::::*
qualcomm	qamsrv1m_firmware	—	cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:::::::*
qualcomm	qca4024_firmware	—	cpe:2.3:o:qualcomm:qca4024_firmware:-:::::::*
qualcomm	snapdragon_8_gen_2_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_2_mobile_firmware:-:::::::*
qualcomm	snapdragon_8_gen_3_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_3_mobile_firmware:-:::::::*
qualcomm	snapdragon_8\+_gen_2_mobile_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8\+_gen_2_mobile_firmware:-:::::::*
qualcomm	snapdragon_ar1_gen_1_firmware	—	cpe:2.3:o:qualcomm:snapdragon_ar1_gen_1_firmware:-:::::::*
qualcomm	snapdragon_ar2_gen_1_firmware	—	cpe:2.3:o:qualcomm:snapdragon_ar2_gen_1_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_x65_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x65_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_x72_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x72_5g_modem-rf_firmware:-:::::::*
qualcomm	snapdragon_x75_5g_modem-rf_firmware	—	cpe:2.3:o:qualcomm:snapdragon_x75_5g_modem-rf_firmware:-:::::::*
qualcomm	srv1h_firmware	—	cpe:2.3:o:qualcomm:srv1h_firmware:-:::::::*
qualcomm	srv1l_firmware	—	cpe:2.3:o:qualcomm:srv1l_firmware:-:::::::*
qualcomm	srv1m_firmware	—	cpe:2.3:o:qualcomm:srv1m_firmware:-:::::::*
qualcomm	ssg2115p_firmware	—	cpe:2.3:o:qualcomm:ssg2115p_firmware:-:::::::*
qualcomm	ssg2125p_firmware	—	cpe:2.3:o:qualcomm:ssg2125p_firmware:-:::::::*
qualcomm	sxr1230p_firmware	—	cpe:2.3:o:qualcomm:sxr1230p_firmware:-:::::::*
qualcomm	sxr2230p_firmware	—	cpe:2.3:o:qualcomm:sxr2230p_firmware:-:::::::*
qualcomm	sxr2250p_firmware	—	cpe:2.3:o:qualcomm:sxr2250p_firmware:-:::::::*
qualcomm	sxr2330p_firmware	—	cpe:2.3:o:qualcomm:sxr2330p_firmware:-:::::::*
qualcomm	vision_intelligence_400_firmware	—	cpe:2.3:o:qualcomm:vision_intelligence_400_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	wcd9375_firmware	—	cpe:2.3:o:qualcomm:wcd9375_firmware:-:::::::*
qualcomm	wcd9378_firmware	—	cpe:2.3:o:qualcomm:wcd9378_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	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	wcn6755_firmware	—	cpe:2.3:o:qualcomm:wcn6755_firmware:-:::::::*

References for CVE-2025-27057

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

URL

CVE-2025-27057 | Buffer Over-read in WLAN Host

Exploit prediction scoring system (EPSS) score for CVE-2025-27057

Common vulnerability scoring system (CVSS) metrics for CVE-2025-27057

Weakness enumeration for CVE-2025-27057

Affected software / configurations for CVE-2025-27057

References for CVE-2025-27057