SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3704

u'While processing invalid connection request PDU which is nonstandard (interval or timeout is 0) from central device may lead peripheral system enter into dead lock state.(This CVE is equivalent to InvalidConnectionRequest(CVE-2019-19193) mentioned in…

HIGH 7.5EPSS 0.53%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

u'While processing invalid connection request PDU which is nonstandard (interval or timeout is 0) from central device may lead peripheral system enter into dead lock state.(This CVE is equivalent to InvalidConnectionRequest(CVE-2019-19193) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, APQ8009, APQ8017, APQ8053, AR9344, Bitra, IPQ5018, Kamorta, MDM9607, MDM9640, MDM9650, MSM8996AU, Nicobar, QCA6174A, QCA6390, QCA6574AU, QCA9377, QCA9886, QCM6125, QCN7605, QCS404, QCS405, QCS605, QCS610, QRB5165, Rennell, SA415M, SA515M, Saipan, SC7180, SC8180X, SDA845, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.53% probability · 45th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-667
Affected
qualcomm/agatti firmware · qualcomm/apq8009 firmware · qualcomm/apq8017 firmware · qualcomm/apq8053 firmware · qualcomm/ar9344 firmware · qualcomm/bitra firmware · qualcomm/ipq5018 firmware · qualcomm/kamorta firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9640 firmware · qualcomm/mdm9650 firmware · qualcomm/msm8996au firmware · qualcomm/nicobar firmware · qualcomm/qca6174a firmware · qualcomm/qca6390 firmware · qualcomm/qca6574au firmware · qualcomm/qca9377 firmware · qualcomm/qca9886 firmware · qualcomm/qcm6125 firmware · qualcomm/qcn7605 firmware · +26 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.53%26 October 202626 October 2026

EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.