A buffer overflow vulnerability in the access control section on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices (in the administration web pan…

published 2021-03-10 5y ago modified 2026-06-17 4mo ago also EUVD-2020-22906

cvss: 7.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

A buffer overflow vulnerability in the access control section on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices (in the administration web panel) allows an attacker to inject IP addresses into the whitelist via the checkedList parameter to the delete command.

Is CVE-2020-35227 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

research.nccgroup.com /2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/
vendor-advisory

Sources

CVE List CVE-2020-35227
NVD CVE-2020-35227

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.