HOMEVULNERABILITIESCVE-2026-40118
MEDIUM

CVE-2026-40118

CWE-941Published: April 16, 2026· Updated: Apr 17, 2026

5.1
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:9.5th

Official Description

UDP Console provided by Arcserve contains an incorrectly specified destination in a communication channel vulnerability. When a user configures an activation server hostname of the affected product to a dummy URL, the product may unintentionally communicate with the dummy domain, causing information disclosure.

NVD Source

Technical Analysis

CVE-2026-40118 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (A) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionA
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

Quick Facts

CVE IDCVE-2026-40118
CVSS Score5.1 / 10
SeverityMEDIUM
WeaknessCWE-941
CISA KEVNo
EPSS (30d)0.03%
PublishedApr 16, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-40118 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.