What is CVE-2020-35224?

CVE-2020-35224 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-03-10.

How severe is CVE-2020-35224?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in NETGEAR Gs116e

CVE-2020-35224

A buffer overflow vulnerability in the NSDP protocol authentication method on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices allows remote unauthenticated attackers to force a device reboot.

Vulnerability class: Buffer Overflow

Published 2021-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

NETGEAR Gs116e — versions v2
NETGEAR Gs116e Firmware — versions 2.6.0.43
NETGEAR Jgs516pe
NETGEAR Jgs516pe Firmware — versions 2.6.0.43

Weakness classification (CWE)

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

References

research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in… (Vendor Advisory)

Frequently asked questions

What is CVE-2020-35224?: CVE-2020-35224 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-03-10.
How severe is CVE-2020-35224?: Medium severity. CVSS v3 base score is 6.5 out of 10.