Certain NETGEAR devices are affected by command injection by an authenticated user.

published 2020-10-09 6y ago modified 2026-06-17 4mo ago also EUVD-2020-19440

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.10, RBK752 before 3.2.15.25, RBR750 before 3.2.15.25, RBS750 before 3.2.15.25, RBK852 before 3.2.15.25, RBR850 before 3.2.15.25, and RBS850 before 3.2.15.25.

Patch / fix

fixed in 7

netgear cbr40_firmware 2.5.0.10
netgear rbk752_firmware 3.2.15.25
netgear rbr750_firmware 3.2.15.25
netgear rbs750_firmware 3.2.15.25
netgear rbk852_firmware 3.2.15.25
netgear rbr850_firmware 3.2.15.25
netgear rbs850_firmware 3.2.15.25

Is CVE-2020-26910 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

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:C/UI:N
CNA	3.1	8.4	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	6.8	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.2	AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

kb.netgear.com /000062343/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0031
vendor-advisory

Sources

CVE List CVE-2020-26910
NVD CVE-2020-26910

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.