SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21116

NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers.

HIGH 8.8EPSS 1.05%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

NETGEAR XR500 devices before 2.3.2.32 are affected by remote code execution by unauthenticated attackers.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.05% probability · 64th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
netgear/xr500 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.05%27 October 202627 October 2026

EPSS 1.1% since 27 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.