SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-29074

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.

HIGH 8.4EPSS 0.46%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects RBW30 before 2.6.2.2, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

CVSS 3.1
8.4 HIGHCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
0.46% probability · 39th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
netgear/rbw30 firmware · netgear/rbk852 firmware · netgear/rbk853 firmware · netgear/rbk854 firmware · netgear/rbr850 firmware · netgear/rbs850 firmware · netgear/rbk752 firmware · netgear/rbk753 firmware · netgear/rbk753s firmware · netgear/rbk754 firmware · netgear/rbr750 firmware · netgear/rbs750 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 0.46%26 October 202626 October 2026

EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.