SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-10592

Yokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R4.02 and prior utilize hard-coded credentials that could allow an attacker to gain unauthorized…

CRITICAL 9.8EPSS 6.85%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Yokogawa STARDOM FCJ controllers R4.02 and prior, FCN-100 controllers R4.02 and prior, FCN-RTU controllers R4.02 and prior, and FCN-500 controllers R4.02 and prior utilize hard-coded credentials that could allow an attacker to gain unauthorized administrative access to the device, which could result in remote code execution.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
6.85% probability · 94th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-798
Affected
yokogawa/fcj firmware · yokogawa/fcn-100 firmware · yokogawa/fcn-rtu firmware · yokogawa/fcn-500 firmware
Source
ics-cert@hq.dhs.gov
EPSS trend
0%5%10%27 October 2026: 6.85%27 October 202627 October 2026

EPSS 6.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

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