NETGEAR NMS300 devices before 1.6.0.27 are affected by command injection by an authenticated user.

published 2020-12-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23444

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.7%; EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

Patch / fix

fixed in 1

netgear nms300_firmware 1.6.0.27

Exploit prediction

2.71% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/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-20 Improper Input Validation
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

kb.netgear.com /000062686/Security-Advisory-for-Post-Authentication-Command-Injection-on-NMS300-PSV-2020-0559
vendor-advisory

Sources

CVE List CVE-2020-35789
NVD CVE-2020-35789

Fencer Vulns 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.

Summary