CVE-2026-21368 [Medium] | Out-of-bounds Write in Fastconnect 6700 Firmware

CVE-2026-21368 is rated Low Risk (21.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.09%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-07-07	—	0.09%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-07-07

—

0.09%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.3	3.1	MEDIUM	`CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L` 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:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. 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:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	1.1	3.7	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.3

3.1

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L 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:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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:C): Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

1.1

3.7

[email protected]

Affected software / configurations for CVE-2026-21368

Vendor	Product	Version	Raw CPE
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	g3x_gen_2_firmware	—	cpe:2.3:o:qualcomm:g3x_gen_2_firmware:-:::::::*
qualcomm	iq-9075_firmware	—	cpe:2.3:o:qualcomm:iq-9075_firmware:-:::::::*
qualcomm	sm8550p_firmware	—	cpe:2.3:o:qualcomm:sm8550p_firmware:-:::::::*
qualcomm	snapdragon_4_gen_2_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_4_gen_2_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_460_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_460_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_6_gen_1_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_6_gen_1_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_6_gen_3_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_6_gen_3_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_662_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_662_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_7_gen_1_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_7_gen_1_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_8_elite_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_elite_firmware:-:::::::*
qualcomm	snapdragon_8_gen_1_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_1_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_8_gen_2_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8_gen_2_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_8\+_gen_2_mobile_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_8\+_gen_2_mobile_platform_firmware:-:::::::*
qualcomm	snapdragon_ar1_gen_1_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_ar1_gen_1_platform_firmware:-:::::::*
qualcomm	snapdragon_xr2_5g_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_xr2_5g_platform_firmware:-:::::::*
qualcomm	snapdragon_xr2\+_gen_1_platform_firmware	—	cpe:2.3:o:qualcomm:snapdragon_xr2\+_gen_1_platform_firmware:-:::::::*
qualcomm	srv1h_firmware	—	cpe:2.3:o:qualcomm:srv1h_firmware:-:::::::*
qualcomm	srv1m_firmware	—	cpe:2.3:o:qualcomm:srv1m_firmware:-:::::::*
qualcomm	sxr2230p_firmware	—	cpe:2.3:o:qualcomm:sxr2230p_firmware:-:::::::*
qualcomm	sxr2330p_firmware	—	cpe:2.3:o:qualcomm:sxr2330p_firmware:-:::::::*
qualcomm	sxr2350p_firmware	—	cpe:2.3:o:qualcomm:sxr2350p_firmware:-:::::::*
qualcomm	wcd9370_firmware	—	cpe:2.3:o:qualcomm:wcd9370_firmware:-:::::::*
qualcomm	wcd9371_firmware	—	cpe:2.3:o:qualcomm:wcd9371_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	wcn3950_firmware	—	cpe:2.3:o:qualcomm:wcn3950_firmware:-:::::::*
qualcomm	wcn3988_firmware	—	cpe:2.3:o:qualcomm:wcn3988_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	wcn7860_firmware	—	cpe:2.3:o:qualcomm:wcn7860_firmware:-:::::::*
qualcomm	wcn7861_firmware	—	cpe:2.3:o:qualcomm:wcn7861_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	lemans_au_lgit_firmware	—	cpe:2.3:o:qualcomm:lemans_au_lgit_firmware:-:::::::*
qualcomm	lemansau_firmware	—	cpe:2.3:o:qualcomm:lemansau_firmware:-:::::::*
qualcomm	netrani_firmware	—	cpe:2.3:o:qualcomm:netrani_firmware:-:::::::*
qualcomm	pandeiro_firmware	—	cpe:2.3:o:qualcomm:pandeiro_firmware:-:::::::*
qualcomm	qam8255p_firmware	—	cpe:2.3:o:qualcomm:qam8255p_firmware:-:::::::*
qualcomm	qamsrv1h_firmware	—	cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:::::::*
qualcomm	qamsrv1m_firmware	—	cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:::::::*
qualcomm	qca6595_firmware	—	cpe:2.3:o:qualcomm:qca6595_firmware:-:::::::*
qualcomm	qca6595au_firmware	—	cpe:2.3:o:qualcomm:qca6595au_firmware:-:::::::*
qualcomm	qca6678aq_firmware	—	cpe:2.3:o:qualcomm:qca6678aq_firmware:-:::::::*
qualcomm	qca6698aq_firmware	—	cpe:2.3:o:qualcomm:qca6698aq_firmware:-:::::::*
qualcomm	qca6698au_firmware	—	cpe:2.3:o:qualcomm:qca6698au_firmware:-:::::::*
qualcomm	qca6797aq_firmware	—	cpe:2.3:o:qualcomm:qca6797aq_firmware:-:::::::*
qualcomm	qcm4490_firmware	—	cpe:2.3:o:qualcomm:qcm4490_firmware:-:::::::*
qualcomm	qcm8838_firmware	—	cpe:2.3:o:qualcomm:qcm8838_firmware:-:::::::*
qualcomm	qcs4490_firmware	—	cpe:2.3:o:qualcomm:qcs4490_firmware:-:::::::*
qualcomm	qcs8550_firmware	—	cpe:2.3:o:qualcomm:qcs8550_firmware:-:::::::*
qualcomm	qln1083bd_firmware	—	cpe:2.3:o:qualcomm:qln1083bd_firmware:-:::::::*
qualcomm	qln1086bd_firmware	—	cpe:2.3:o:qualcomm:qln1086bd_firmware:-:::::::*
qualcomm	qpa1083bd_firmware	—	cpe:2.3:o:qualcomm:qpa1083bd_firmware:-:::::::*
qualcomm	qpa1086bd_firmware	—	cpe:2.3:o:qualcomm:qpa1086bd_firmware:-:::::::*
qualcomm	qxm1093_firmware	—	cpe:2.3:o:qualcomm:qxm1093_firmware:-:::::::*
qualcomm	qxm1094_firmware	—	cpe:2.3:o:qualcomm:qxm1094_firmware:-:::::::*
qualcomm	qxm1095_firmware	—	cpe:2.3:o:qualcomm:qxm1095_firmware:-:::::::*
qualcomm	qxm1096_firmware	—	cpe:2.3:o:qualcomm:qxm1096_firmware:-:::::::*
qualcomm	sa7255p_firmware	—	cpe:2.3:o:qualcomm:sa7255p_firmware:-:::::::*
qualcomm	sa7775p_firmware	—	cpe:2.3:o:qualcomm:sa7775p_firmware:-:::::::*
qualcomm	sa8255p_firmware	—	cpe:2.3:o:qualcomm:sa8255p_firmware:-:::::::*
qualcomm	sa8620p_firmware	—	cpe:2.3:o:qualcomm:sa8620p_firmware:-:::::::*
qualcomm	sa8770p_firmware	—	cpe:2.3:o:qualcomm:sa8770p_firmware:-:::::::*
qualcomm	sa9000p_firmware	—	cpe:2.3:o:qualcomm:sa9000p_firmware:-:::::::*
qualcomm	sar2130p_firmware	—	cpe:2.3:o:qualcomm:sar2130p_firmware:-:::::::*
qualcomm	sc8380xp_firmware	—	cpe:2.3:o:qualcomm:sc8380xp_firmware:-:::::::*
qualcomm	sd_8_gen1_5g_firmware	—	cpe:2.3:o:qualcomm:sd_8_gen1_5g_firmware:-:::::::*
qualcomm	sd865_5g_firmware	—	cpe:2.3:o:qualcomm:sd865_5g_firmware:-:::::::*

References for CVE-2026-21368

URL	Tags
https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html	Patch Vendor Advisory

URL

CVE-2026-21368 | Out-of-bounds Write in Camera Driver

Exploit prediction scoring system (EPSS) score for CVE-2026-21368

Common vulnerability scoring system (CVSS) metrics for CVE-2026-21368

Weakness enumeration for CVE-2026-21368

GitHub Security Advisory for CVE-2026-21368

Affected software / configurations for CVE-2026-21368

References for CVE-2026-21368