What is CVE-2020-35225?

CVE-2020-35225 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2021-03-10.

How severe is CVE-2020-35225?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in NETGEAR Gs116e

CVE-2020-35225

The NSDP protocol implementation on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices was not properly validating the length of string parameters sent in write requests, potentially allowing denial of service attacks.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.5th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · 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-2020-35225?: CVE-2020-35225 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2021-03-10.
How severe is CVE-2020-35225?: Medium severity. CVSS v3 base score is 6.8 out of 10.