Integer underflow in Qualcomm products - CVE-2020-3691
Published: July 7, 2025
Vulnerability identifier: #VU112388
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3691
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation in Audio. A remote attacker can execute arbitrary code.
Affected software
QPM6585
QTC800S
QTC800H
QTC410S
QSW8574
QSW8573
QSW6310
QSM8250
QSM7250
QSC1215
QPM8895
QPM8870
QPM8830
QPM8820
QPM6670
QPM6621
QTC800T
QPM6582
QPM5875
QPM5870
QPM5679
QPM5677
QPM5670
QPM5658
QPM5657
QPM5641
QPM5621
QPM5620
QPM4650
QPM4641
QPM4640
QPM4630
SA8195P
SD662
SD660
SD632
SD460
SD439
SD429
SD 8CX
SD 8C
SD 675
SD 636
SD 455
SC8180X+SDX55
QPM4621
SA8155P
SA8155
SA8150P
SA6155
SA6150P
SA6145P
SA415M
RTR8601
RTR8600
RSW8577
RGR7640AU
Qualcomm215
QTM525
QTC801S
QFE3345
QFS2630
QFS2608
QFS2580
QFS2530
QFE4465FC
QFE4455FC
QFE4373FC
QFE4320
QFE4309
QFE4308
QFE4305
QFE4303
QFE4302
QFE4301
QFE3440FC
QLN1020
QFE3340
QFE3335
QFE3320
QFE3100
QFE2550
QFE2520
QFE2340
QFE2330
QFE2101
QFE2082FC
QFE2081FC
QFE2080FC
QFE1100
QFE1055
QFE1045
QPA4361
QPM2630
QPA8842
QPA8821
QPA8803
QPA8802
QPA8801
QPA8686
QPA8675
QPA8673
QPA6560
QPA5581
QPA5580
QPA5461
QPA5460
QPA5373
QPA4360
QPA4340
QPA2625
QLN5040
QLN5030
QLN5020
QLN4650
QLN4642
QLN4640
QLN1036AQ
QLN1035BD
QLN1031
QLN1030
QLN1021AQ
WCD9385
WCN3991
WCN3990
WCN3988
WCN3980
WCN3950
WCN3910
WCN3680B
WCN3680
WCN3660B
WCN3660A
WCN3660
WCN3620
WCN3615
WCN3610
WCN2243
WCN3998
WCD9380
WCD9375
WCD9371
WCD9370
WCD9360
WCD9341
WCD9340
WCD9335
WCD9330
WCD9326
WCD9320
WCD9310
WCD9306
SMR546
SMR545
WTR1605
WTR6955
WTR5975
WTR4905
WTR4605
WTR3950
WTR3925
WTR3905
WTR2965
WTR2955
WTR2655
WTR2605
WTR2100
WTR1625L
WTR1625
WTR1605L
SMR526
WSA8835
WSA8830
WSA8815
WSA8810
WHS9410
WGR7640
WFR2600
WFR1620
WCN6856
WCN6851
WCN6850
WCN6750
WCN6740
WCN3999
SDR735G
SDR735
SDR675
SDR660G
SDR660
SDR425
SDR052
SDR051
SDM830
SDA429W
SD888 5G
SD865 5G
SDR8150
SD821
SD820
SD768G
SD765G
SD765
SD750G
SD720G
SD690 5G
SMB1350
SMR525
SMB2351
SMB1398
SMB1396
SMB1395
SMB1394
SMB1390
SMB1381
SMB1380
SMB1360
SMB1358
SMB1357
SMB1355
SMB1354
SMB1351
QFE1040
SM7350
SM7250P
SM6250P
SM6250
SM4125
SDXR2 5G
SDXR1
SDX55M
SDX50M
SDW3100
SDR865
SDR845
SDR8250
PM456
PM670L
PM670A
PM670
PM660L
PM660A
PM660
PM640P
PM640L
PM640A
PM6350
PM6250
PM6150L
PM6150A
PM6150
PM6125
PM7150A
PM439
PM4125
PM3003A
PM215
MSM8976SG
MSM8976
MSM8962
MSM8960SG
MSM8960
MSM8956
MSM8952
PM8150C
PM8909
PM8821
PM855P
PM855L
PM855B
PM855A
PM855
PM8350C
PM8350BHS
PM8350BH
PM8350B
PM8350
PM8250
PM8226
PM8150L
MSM8930
PM8150B
PM8150A
PM8150
PM8110
PM8019
PM8018
PM8009
PM8008
PM8005
PM8004
PM7350C
PM7250B
PM7250
PM7150L
AR6003
MDM9225M
MDM9225
MDM9215
MDM8635M
MDM8615M
MDM8215M
MDM8215
CSRB31024
CSRA6640
CSRA6620
AR9374
AR8151
AR8035
AR8031
MDM9230
AQT1000
APQ8084
APQ8076
APQ8064AU
APQ8064
APQ8062
APQ8060A
APQ8056
APQ8052
APQ8037
APQ8030
APQ8009W
MDM9655
MSM8630
MSM8627
MSM8626
MSM8610
MSM8608
MSM8230
MSM8227
MSM8226
MSM8209
MSM8208
MSM8108
MPQ8064
PM8916
MDM9645
MDM9635M
MDM9630
MDM9628
MDM9625M
MDM9625
MDM9615M
MDM9615
MDM9330
MDM9310
MDM9235M
QCA6584AU
QCS410
QCS2290
QCM6125
QCM4290
QCM2290
QCC112
QCC1110
QCA9984
QCA6696
QCA6694AU
QCA6694
QCA6595AU
QCA6595
QCS4290
QCA6584
QCA6574A
QCA6574
QCA6564AU
QCA6564A
QCA6564
QCA6436
QCA6431
QCA6430
QCA6426
QCA6421
QCA6420
QCA6391
QCA6390
QDM5579
QET6110
QET6100
QET5100M
QET5100
QET4200AQ
QET4101
QET4100
QDM5679
QDM5677
QDM5671
QDM5670
QDM5652
QDM5650
QDM5621
QDM5620
QCA6335
QDM4650
QDM4643
QDM3302
QDM3301
QDM2310
QDM2308
QDM2307
QDM2305
QDM2302
QDM2301
QCS6125
QCS610
QCS603
PME605
PMM8195AU
PMM8155AU
PMM6155AU
PMK8350
PMK8003
PMK8002
PMK8001
PMK7350
PMI8998
PMI8996
PMI8994
PMI8952
PMI8940
PMI8937
PMI632
PMM855AU
PMD9655
PMD9645
PMD9635
PMD9607
PMC1000H
PM8998
PM8996
PM8956
PM8953
PM8952
PM8940
PM8937
PM8922
PM8921
PM8917
QAT3555
QCA6320
QCA6310
QCA6175A
QCA6174
QCA4020
QCA1990
QBT2000
QBT1500
QBT1000
QAT5568
QAT5533
QAT5522
QAT5516
QAT5515
QAT3550
QAT3522
QAT3519
QAT3518
QAT3516
QAT3514
PMX55
PMX50
PMX24
PMW3100
PMR735B
PMR735A
PMR525
PMM8996AU
SD450
SD210
SD205
SA6155P
SD665
SD850
SDM630
SDM429W
SD855
SD845
SD835
SD730
SD712
SD710
SD675
SD670
SDX55
MSM8996AU
MSM8953
MSM8940
MSM8937
MDM9206
APQ8096AU
APQ8053
APQ8017
MSM8920
MSM8917
MSM8909W
MDM9650
MDM9640
MDM9607
QCS405
QCA9379
QCA6574AU
QCS605
QCA6174A
APQ8009
QTC800S
QTC800H
QTC410S
QSW8574
QSW8573
QSW6310
QSM8250
QSM7250
QSC1215
QPM8895
QPM8870
QPM8830
QPM8820
QPM6670
QPM6621
QTC800T
QPM6582
QPM5875
QPM5870
QPM5679
QPM5677
QPM5670
QPM5658
QPM5657
QPM5641
QPM5621
QPM5620
QPM4650
QPM4641
QPM4640
QPM4630
SA8195P
SD662
SD660
SD632
SD460
SD439
SD429
SD 8CX
SD 8C
SD 675
SD 636
SD 455
SC8180X+SDX55
QPM4621
SA8155P
SA8155
SA8150P
SA6155
SA6150P
SA6145P
SA415M
RTR8601
RTR8600
RSW8577
RGR7640AU
Qualcomm215
QTM525
QTC801S
QFE3345
QFS2630
QFS2608
QFS2580
QFS2530
QFE4465FC
QFE4455FC
QFE4373FC
QFE4320
QFE4309
QFE4308
QFE4305
QFE4303
QFE4302
QFE4301
QFE3440FC
QLN1020
QFE3340
QFE3335
QFE3320
QFE3100
QFE2550
QFE2520
QFE2340
QFE2330
QFE2101
QFE2082FC
QFE2081FC
QFE2080FC
QFE1100
QFE1055
QFE1045
QPA4361
QPM2630
QPA8842
QPA8821
QPA8803
QPA8802
QPA8801
QPA8686
QPA8675
QPA8673
QPA6560
QPA5581
QPA5580
QPA5461
QPA5460
QPA5373
QPA4360
QPA4340
QPA2625
QLN5040
QLN5030
QLN5020
QLN4650
QLN4642
QLN4640
QLN1036AQ
QLN1035BD
QLN1031
QLN1030
QLN1021AQ
WCD9385
WCN3991
WCN3990
WCN3988
WCN3980
WCN3950
WCN3910
WCN3680B
WCN3680
WCN3660B
WCN3660A
WCN3660
WCN3620
WCN3615
WCN3610
WCN2243
WCN3998
WCD9380
WCD9375
WCD9371
WCD9370
WCD9360
WCD9341
WCD9340
WCD9335
WCD9330
WCD9326
WCD9320
WCD9310
WCD9306
SMR546
SMR545
WTR1605
WTR6955
WTR5975
WTR4905
WTR4605
WTR3950
WTR3925
WTR3905
WTR2965
WTR2955
WTR2655
WTR2605
WTR2100
WTR1625L
WTR1625
WTR1605L
SMR526
WSA8835
WSA8830
WSA8815
WSA8810
WHS9410
WGR7640
WFR2600
WFR1620
WCN6856
WCN6851
WCN6850
WCN6750
WCN6740
WCN3999
SDR735G
SDR735
SDR675
SDR660G
SDR660
SDR425
SDR052
SDR051
SDM830
SDA429W
SD888 5G
SD865 5G
SDR8150
SD821
SD820
SD768G
SD765G
SD765
SD750G
SD720G
SD690 5G
SMB1350
SMR525
SMB2351
SMB1398
SMB1396
SMB1395
SMB1394
SMB1390
SMB1381
SMB1380
SMB1360
SMB1358
SMB1357
SMB1355
SMB1354
SMB1351
QFE1040
SM7350
SM7250P
SM6250P
SM6250
SM4125
SDXR2 5G
SDXR1
SDX55M
SDX50M
SDW3100
SDR865
SDR845
SDR8250
PM456
PM670L
PM670A
PM670
PM660L
PM660A
PM660
PM640P
PM640L
PM640A
PM6350
PM6250
PM6150L
PM6150A
PM6150
PM6125
PM7150A
PM439
PM4125
PM3003A
PM215
MSM8976SG
MSM8976
MSM8962
MSM8960SG
MSM8960
MSM8956
MSM8952
PM8150C
PM8909
PM8821
PM855P
PM855L
PM855B
PM855A
PM855
PM8350C
PM8350BHS
PM8350BH
PM8350B
PM8350
PM8250
PM8226
PM8150L
MSM8930
PM8150B
PM8150A
PM8150
PM8110
PM8019
PM8018
PM8009
PM8008
PM8005
PM8004
PM7350C
PM7250B
PM7250
PM7150L
AR6003
MDM9225M
MDM9225
MDM9215
MDM8635M
MDM8615M
MDM8215M
MDM8215
CSRB31024
CSRA6640
CSRA6620
AR9374
AR8151
AR8035
AR8031
MDM9230
AQT1000
APQ8084
APQ8076
APQ8064AU
APQ8064
APQ8062
APQ8060A
APQ8056
APQ8052
APQ8037
APQ8030
APQ8009W
MDM9655
MSM8630
MSM8627
MSM8626
MSM8610
MSM8608
MSM8230
MSM8227
MSM8226
MSM8209
MSM8208
MSM8108
MPQ8064
PM8916
MDM9645
MDM9635M
MDM9630
MDM9628
MDM9625M
MDM9625
MDM9615M
MDM9615
MDM9330
MDM9310
MDM9235M
QCA6584AU
QCS410
QCS2290
QCM6125
QCM4290
QCM2290
QCC112
QCC1110
QCA9984
QCA6696
QCA6694AU
QCA6694
QCA6595AU
QCA6595
QCS4290
QCA6584
QCA6574A
QCA6574
QCA6564AU
QCA6564A
QCA6564
QCA6436
QCA6431
QCA6430
QCA6426
QCA6421
QCA6420
QCA6391
QCA6390
QDM5579
QET6110
QET6100
QET5100M
QET5100
QET4200AQ
QET4101
QET4100
QDM5679
QDM5677
QDM5671
QDM5670
QDM5652
QDM5650
QDM5621
QDM5620
QCA6335
QDM4650
QDM4643
QDM3302
QDM3301
QDM2310
QDM2308
QDM2307
QDM2305
QDM2302
QDM2301
QCS6125
QCS610
QCS603
PME605
PMM8195AU
PMM8155AU
PMM6155AU
PMK8350
PMK8003
PMK8002
PMK8001
PMK7350
PMI8998
PMI8996
PMI8994
PMI8952
PMI8940
PMI8937
PMI632
PMM855AU
PMD9655
PMD9645
PMD9635
PMD9607
PMC1000H
PM8998
PM8996
PM8956
PM8953
PM8952
PM8940
PM8937
PM8922
PM8921
PM8917
QAT3555
QCA6320
QCA6310
QCA6175A
QCA6174
QCA4020
QCA1990
QBT2000
QBT1500
QBT1000
QAT5568
QAT5533
QAT5522
QAT5516
QAT5515
QAT3550
QAT3522
QAT3519
QAT3518
QAT3516
QAT3514
PMX55
PMX50
PMX24
PMW3100
PMR735B
PMR735A
PMR525
PMM8996AU
SD450
SD210
SD205
SA6155P
SD665
SD850
SDM630
SDM429W
SD855
SD845
SD835
SD730
SD712
SD710
SD675
SD670
SDX55
MSM8996AU
MSM8953
MSM8940
MSM8937
MDM9206
APQ8096AU
APQ8053
APQ8017
MSM8920
MSM8917
MSM8909W
MDM9650
MDM9640
MDM9607
QCS405
QCA9379
QCA6574AU
QCS605
QCA6174A
APQ8009
How to mitigate CVE-2020-3691
Install security update from vendor's website.