CVE-2025-27029 [High] | Denial of Service in Fastconnect 7800 Firmware

CVE-2025-27029 is rated Moderate Risk (50.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.35%). Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-03-30	0.05%	0.35%	+0.30%
2	2025-11-11	0.05%	0.05%	+0.01%
3	2025-10-29	—	0.05%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-03-30

0.05%

0.35%

+0.30%

2025-11-11

0.05%

+0.01%

2025-10-29

—

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-2025-27029

Vendor	Product	Version	Raw CPE
qualcomm	fastconnect_7800_firmware	—	cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:::::::*
qualcomm	immersive_home_3210_platform_firmware	—	cpe:2.3:o:qualcomm:immersive_home_3210_platform_firmware:-:::::::*
qualcomm	immersive_home_326_platform_firmware	—	cpe:2.3:o:qualcomm:immersive_home_326_platform_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	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	qca0000_firmware	—	cpe:2.3:o:qualcomm:qca0000_firmware:-:::::::*
qualcomm	qca8075_firmware	—	cpe:2.3:o:qualcomm:qca8075_firmware:-:::::::*
qualcomm	qca8080_firmware	—	cpe:2.3:o:qualcomm:qca8080_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	qca8101_firmware	—	cpe:2.3:o:qualcomm:qca8101_firmware:-:::::::*
qualcomm	qca8102_firmware	—	cpe:2.3:o:qualcomm:qca8102_firmware:-:::::::*
qualcomm	qca8111_firmware	—	cpe:2.3:o:qualcomm:qca8111_firmware:-:::::::*
qualcomm	qca8112_firmware	—	cpe:2.3:o:qualcomm:qca8112_firmware:-:::::::*
qualcomm	qca8384_firmware	—	cpe:2.3:o:qualcomm:qca8384_firmware:-:::::::*
qualcomm	qca8385_firmware	—	cpe:2.3:o:qualcomm:qca8385_firmware:-:::::::*
qualcomm	qca8386_firmware	—	cpe:2.3:o:qualcomm:qca8386_firmware:-:::::::*
qualcomm	qcf8000_firmware	—	cpe:2.3:o:qualcomm:qcf8000_firmware:-:::::::*
qualcomm	qcf8001_firmware	—	cpe:2.3:o:qualcomm:qcf8001_firmware:-:::::::*
qualcomm	qcn5124_firmware	—	cpe:2.3:o:qualcomm:qcn5124_firmware:-:::::::*
qualcomm	qcn5224_firmware	—	cpe:2.3:o:qualcomm:qcn5224_firmware:-:::::::*
qualcomm	qcn6402_firmware	—	cpe:2.3:o:qualcomm:qcn6402_firmware:-:::::::*
qualcomm	qcn6412_firmware	—	cpe:2.3:o:qualcomm:qcn6412_firmware:-:::::::*
qualcomm	qcn6422_firmware	—	cpe:2.3:o:qualcomm:qcn6422_firmware:-:::::::*
qualcomm	qcn6432_firmware	—	cpe:2.3:o:qualcomm:qcn6432_firmware:-:::::::*
qualcomm	qcn9000_firmware	—	cpe:2.3:o:qualcomm:qcn9000_firmware:-:::::::*
qualcomm	qcn9012_firmware	—	cpe:2.3:o:qualcomm:qcn9012_firmware:-:::::::*
qualcomm	qcn9024_firmware	—	cpe:2.3:o:qualcomm:qcn9024_firmware:-:::::::*
qualcomm	qcn9074_firmware	—	cpe:2.3:o:qualcomm:qcn9074_firmware:-:::::::*
qualcomm	qcn9160_firmware	—	cpe:2.3:o:qualcomm:qcn9160_firmware:-:::::::*
qualcomm	qcn9274_firmware	—	cpe:2.3:o:qualcomm:qcn9274_firmware:-:::::::*
qualcomm	qmp1000_firmware	—	cpe:2.3:o:qualcomm:qmp1000_firmware:-:::::::*
qualcomm	qxm8083_firmware	—	cpe:2.3:o:qualcomm:qxm8083_firmware:-:::::::*
qualcomm	sm6650_firmware	—	cpe:2.3:o:qualcomm:sm6650_firmware:-:::::::*
qualcomm	sm6650p_firmware	—	cpe:2.3:o:qualcomm:sm6650p_firmware:-:::::::*
qualcomm	sm7635_firmware	—	cpe:2.3:o:qualcomm:sm7635_firmware:-:::::::*
qualcomm	sm8735_firmware	—	cpe:2.3:o:qualcomm:sm8735_firmware:-:::::::*
qualcomm	sm8750_firmware	—	cpe:2.3:o:qualcomm:sm8750_firmware:-:::::::*
qualcomm	sm8750p_firmware	—	cpe:2.3:o:qualcomm:sm8750p_firmware:-:::::::*
qualcomm	snapdragon_8_gen_3_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_3_mobile_platform_firmware:-:::::::*
qualcomm	wcd9378_firmware	—	cpe:2.3:o:qualcomm:wcd9378_firmware:-:::::::*
qualcomm	wcd9390_firmware	—	cpe:2.3:o:qualcomm:wcd9390_firmware:-:::::::*
qualcomm	wcd9395_firmware	—	cpe:2.3:o:qualcomm:wcd9395_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:-:::::::*
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	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:-:::::::*

References for CVE-2025-27029

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

URL

CVE-2025-27029 | Buffer Over-read in WLAN HAL

Exploit prediction scoring system (EPSS) score for CVE-2025-27029

Common vulnerability scoring system (CVSS) metrics for CVE-2025-27029

Weakness enumeration for CVE-2025-27029

Affected software / configurations for CVE-2025-27029

References for CVE-2025-27029