What is CVE-2020-35230?

CVE-2020-35230 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Integer Overflow or Wraparound. CVSS score: 6.8/10. Published 2021-03-10.

How severe is CVE-2020-35230?

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

Integer overflow in NETGEAR Gs116e

CVE-2020-35230

Multiple integer overflow parameters were found in the web administration panel on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices. Most of the integer parameters sent through the web server can be abused to cause a denial of service attack.

Vulnerability class: Integer 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: 0.004 (36.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · 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-190 — Integer Overflow or Wraparound

References

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

Frequently asked questions

What is CVE-2020-35230?: CVE-2020-35230 is a medium-severity vulnerability in NETGEAR Gs116e, classified under Integer Overflow or Wraparound. CVSS score: 6.8/10. Published 2021-03-10.
How severe is CVE-2020-35230?: Medium severity. CVSS v3 base score is 6.8 out of 10.