CVE-2024-38426 [Medium] | Authentication Bypass in 315 5g Iot Firmware

CVE-2024-38426 is rated Low Risk (27.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-09-27	0.04%	0.05%	+0.02%
2	2025-07-30	0.07%	0.04%	-0.03%
3	2025-04-04	—	0.07%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-09-27

0.04%

0.05%

+0.02%

2025-07-30

0.07%

0.04%

-0.03%

2025-04-04

—

0.07%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.4	3.1	MEDIUM	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L` Click to expand Attack vector (AV:A) Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet. 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.	2.8	2.5	[email protected]
5.3	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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: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:N) Service keeps running; no real outage angle.	3.9	1.4	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.4

3.1

MEDIUM

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

Attack vector (AV:A): Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
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.

2.8

2.5

[email protected]

5.3

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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: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:N): Service keeps running; no real outage angle.

3.9

1.4

[email protected]

Affected software / configurations for CVE-2024-38426

Vendor	Product	Version	Raw CPE
qualcomm	315_5g_iot_firmware	—	cpe:2.3:o:qualcomm:315_5g_iot_firmware:-:::::::*
qualcomm	9205_lte_firmware	—	cpe:2.3:o:qualcomm:9205_lte_firmware:-:::::::*
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	csrb31024_firmware	—	cpe:2.3:o:qualcomm:csrb31024_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	fastconnect_6800_firmware	—	cpe:2.3:o:qualcomm:fastconnect_6800_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	mdm9205s_firmware	—	cpe:2.3:o:qualcomm:mdm9205s_firmware:-:::::::*
qualcomm	mdm9628_firmware	—	cpe:2.3:o:qualcomm:mdm9628_firmware:-:::::::*
qualcomm	mdm9640_firmware	—	cpe:2.3:o:qualcomm:mdm9640_firmware:-:::::::*
qualcomm	msm8996au_firmware	—	cpe:2.3:o:qualcomm:msm8996au_firmware:-:::::::*
qualcomm	qca4004_firmware	—	cpe:2.3:o:qualcomm:qca4004_firmware:-:::::::*
qualcomm	qca6174a_firmware	—	cpe:2.3:o:qualcomm:qca6174a_firmware:-:::::::*
qualcomm	qca6310_firmware	—	cpe:2.3:o:qualcomm:qca6310_firmware:-:::::::*
qualcomm	qca6320_firmware	—	cpe:2.3:o:qualcomm:qca6320_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	qca6574a_firmware	—	cpe:2.3:o:qualcomm:qca6574a_firmware:-:::::::*
qualcomm	qca6574au_firmware	—	cpe:2.3:o:qualcomm:qca6574au_firmware:-:::::::*
qualcomm	qca6584_firmware	—	cpe:2.3:o:qualcomm:qca6584_firmware:-:::::::*
qualcomm	qca6584au_firmware	—	cpe:2.3:o:qualcomm:qca6584au_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	qca9367_firmware	—	cpe:2.3:o:qualcomm:qca9367_firmware:-:::::::*
qualcomm	qca9377_firmware	—	cpe:2.3:o:qualcomm:qca9377_firmware:-:::::::*
qualcomm	qcc710_firmware	—	cpe:2.3:o:qualcomm:qcc710_firmware:-:::::::*
qualcomm	qcc711_firmware	—	cpe:2.3:o:qualcomm:qcc711_firmware:-:::::::*
qualcomm	qcm2150_firmware	—	cpe:2.3:o:qualcomm:qcm2150_firmware:-:::::::*
qualcomm	qcm2290_firmware	—	cpe:2.3:o:qualcomm:qcm2290_firmware:-:::::::*
qualcomm	qcm4290_firmware	—	cpe:2.3:o:qualcomm:qcm4290_firmware:-:::::::*
qualcomm	qcm4325_firmware	—	cpe:2.3:o:qualcomm:qcm4325_firmware:-:::::::*
qualcomm	qcm4490_firmware	—	cpe:2.3:o:qualcomm:qcm4490_firmware:-:::::::*
qualcomm	qcm6125_firmware	—	cpe:2.3:o:qualcomm:qcm6125_firmware:-:::::::*
qualcomm	qcn6024_firmware	—	cpe:2.3:o:qualcomm:qcn6024_firmware:-:::::::*
qualcomm	qcn6224_firmware	—	cpe:2.3:o:qualcomm:qcn6224_firmware:-:::::::*
qualcomm	qcn6274_firmware	—	cpe:2.3:o:qualcomm:qcn6274_firmware:-:::::::*
qualcomm	qcn9024_firmware	—	cpe:2.3:o:qualcomm:qcn9024_firmware:-:::::::*
qualcomm	qcs2290_firmware	—	cpe:2.3:o:qualcomm:qcs2290_firmware:-:::::::*
qualcomm	qcs410_firmware	—	cpe:2.3:o:qualcomm:qcs410_firmware:-:::::::*
qualcomm	qcs4290_firmware	—	cpe:2.3:o:qualcomm:qcs4290_firmware:-:::::::*
qualcomm	qcs4490_firmware	—	cpe:2.3:o:qualcomm:qcs4490_firmware:-:::::::*
qualcomm	qcs610_firmware	—	cpe:2.3:o:qualcomm:qcs610_firmware:-:::::::*
qualcomm	qcs6125_firmware	—	cpe:2.3:o:qualcomm:qcs6125_firmware:-:::::::*
qualcomm	qep8111_firmware	—	cpe:2.3:o:qualcomm:qep8111_firmware:-:::::::*
qualcomm	qfw7114_firmware	—	cpe:2.3:o:qualcomm:qfw7114_firmware:-:::::::*
qualcomm	qfw7124_firmware	—	cpe:2.3:o:qualcomm:qfw7124_firmware:-:::::::*
qualcomm	qts110_firmware	—	cpe:2.3:o:qualcomm:qts110_firmware:-:::::::*
qualcomm	205_firmware	—	cpe:2.3:o:qualcomm:205_firmware:-:::::::*
qualcomm	215_firmware	—	cpe:2.3:o:qualcomm:215_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	robotics_rb2_firmware	—	cpe:2.3:o:qualcomm:robotics_rb2_firmware:-:::::::*
qualcomm	sd_675_firmware	—	cpe:2.3:o:qualcomm:sd_675_firmware:-:::::::*
qualcomm	sd_8_gen1_5g_firmware	—	cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:::::::*
qualcomm	sd675_firmware	—	cpe:2.3:o:qualcomm:sd675_firmware:-:::::::*
qualcomm	sd730_firmware	—	cpe:2.3:o:qualcomm:sd730_firmware:-:::::::*
qualcomm	sd835_firmware	—	cpe:2.3:o:qualcomm:sd835_firmware:-:::::::*
qualcomm	sdm429w_firmware	—	cpe:2.3:o:qualcomm:sdm429w_firmware:-:::::::*
qualcomm	sdx55_firmware	—	cpe:2.3:o:qualcomm:sdx55_firmware:-:::::::*
qualcomm	sdx57m_firmware	—	cpe:2.3:o:qualcomm:sdx57m_firmware:-:::::::*
qualcomm	sdx61_firmware	—	cpe:2.3:o:qualcomm:sdx61_firmware:-:::::::*
qualcomm	sdx71m_firmware	—	cpe:2.3:o:qualcomm:sdx71m_firmware:-:::::::*
qualcomm	sdx80m_firmware	—	cpe:2.3:o:qualcomm:sdx80m_firmware:-:::::::*
qualcomm	sg4150p_firmware	—	cpe:2.3:o:qualcomm:sg4150p_firmware:-:::::::*
qualcomm	sm6650_firmware	—	cpe:2.3:o:qualcomm:sm6650_firmware:-:::::::*
qualcomm	sm7250p_firmware	—	cpe:2.3:o:qualcomm:sm7250p_firmware:-:::::::*
qualcomm	sm7635_firmware	—	cpe:2.3:o:qualcomm:sm7635_firmware:-:::::::*
qualcomm	sm7675_firmware	—	cpe:2.3:o:qualcomm:sm7675_firmware:-:::::::*
qualcomm	sm7675p_firmware	—	cpe:2.3:o:qualcomm:sm7675p_firmware:-:::::::*
qualcomm	sm8635_firmware	—	cpe:2.3:o:qualcomm:sm8635_firmware:-:::::::*
qualcomm	sm8635p_firmware	—	cpe:2.3:o:qualcomm:sm8635p_firmware:-:::::::*
qualcomm	sm8650q_firmware	—	cpe:2.3:o:qualcomm:sm8650q_firmware:-:::::::*

References for CVE-2024-38426

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

URL

CVE-2024-38426 | Improper Authentication in Modem

Exploit prediction scoring system (EPSS) score for CVE-2024-38426

Common vulnerability scoring system (CVSS) metrics for CVE-2024-38426

Weakness enumeration for CVE-2024-38426

Affected software / configurations for CVE-2024-38426

References for CVE-2024-38426