What is CVE-2018-5877?

CVE-2018-5877 is a high-severity vulnerability in Qualcomm Mdm9206, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-11-28.

How severe is CVE-2018-5877?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Qualcomm Mdm9206

CVE-2018-5877

In the device programmer target-side code for firehose, a string may not be properly NULL terminated can lead to a incorrect buffer size in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear in versions MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 600, SD 820, SD 820A, SD 835, SDA660, SDX20.

Vulnerability class: Buffer Overflow

Published 2018-11-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.qualcomm.com/company/product-security/bulletins (Vendor Advisory)
www.securityfocus.com/bid/105838 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-5877?: CVE-2018-5877 is a high-severity vulnerability in Qualcomm Mdm9206, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-11-28.
How severe is CVE-2018-5877?: High severity. CVSS v3 base score is 7.8 out of 10.