What is CVE-2020-35233?

CVE-2020-35233 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-03-10.

How severe is CVE-2020-35233?

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

Resource exhaustion in NETGEAR Gs116e

CVE-2020-35233

The TFTP server fails to handle multiple connections on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices, and allows external attackers to force device reboots by sending concurrent connections, aka a denial of service attack.

Vulnerability class: DoS (Denial of Service)

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: 0.006 (48.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% 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-400 — Uncontrolled Resource Consumption

References

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

Frequently asked questions

What is CVE-2020-35233?: CVE-2020-35233 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2021-03-10.
How severe is CVE-2020-35233?: Medium severity. CVSS v3 base score is 6.5 out of 10.