CVE-2025-66265
Insecure permissions in configuration directory (C:\\usr)
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.9EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
26 Nov 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
CMService.exe creates the C:\\usr directory and subdirectories with insecure permissions, granting write access to all authenticated users. This allows attackers to replace configuration files (such as snmp.conf) or hijack DLLs to escalate privileges.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:L
Affected products
MegaTec Taiwan · ClientMateWant to know if your infrastructure is exposed to this?
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