What is CVE-2020-3692?

CVE-2020-3692 is a critical-severity vulnerability in Qualcomm Agatti, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-11-02.

How severe is CVE-2020-3692?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-3692 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Qualcomm Agatti

CVE-2020-3692

u'Possible buffer overflow while updating output buffer for IMEI and Gateway Address due to lack of check of input validation for parameters received from server' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in Agatti, Kamorta, Nicobar, QCM6125, QCS610, Rennell, SA415M, Saipan, SC7180, SC8180X, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Vulnerability class: Buffer Overflow

Published 2020-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

TinyNiko/android_

References

www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin (Broken Link)
www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulle… (Vendor Advisory)

Frequently asked questions

What is CVE-2020-3692?: CVE-2020-3692 is a critical-severity vulnerability in Qualcomm Agatti, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-11-02.
How severe is CVE-2020-3692?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-3692 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.