SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-57882

An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60.

HIGH 8.2EPSS 0.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An improper resource shutdown or release vulnerability has been identified in the Click Plus C2-03CPU-2 device running firmware version 3.60. The vulnerability allows an unauthenticated attacker to perform a denial-of-service attack by exhausting all available device sessions in the Remote PLC application.

CVSS 4.0
8.2 HIGHCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.33% probability · 26th percentile
CISA KEV
Not listed
Weakness
CWE-404
Source
ics-cert@hq.dhs.gov

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.