What is CVE-2019-20758?

CVE-2019-20758 is a high-severity vulnerability in NETGEAR R7000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.0/10. Published 2020-04-16.

How severe is CVE-2019-20758?

High severity. CVSS v3 base score is 8.0 out of 10.

Buffer overflow in NETGEAR R7000

CVE-2019-20758

NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.

Vulnerability class: Buffer Overflow

Published 2020-04-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

kb.netgear.com/000060641/Security-Advisory-for-Post-Authentication-Buffer-Overf… (Vendor Advisory)

Frequently asked questions

What is CVE-2019-20758?: CVE-2019-20758 is a high-severity vulnerability in NETGEAR R7000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.0/10. Published 2020-04-16.
How severe is CVE-2019-20758?: High severity. CVSS v3 base score is 8.0 out of 10.