CVE-2026-40118: Incorrectly specified destination in a communication channel in Arcserve UDP Console
CVE-2026-40118 is a medium severity vulnerability in Arcserve UDP Console version 10. 3 where an incorrectly specified destination in a communication channel can lead the product to unintentionally communicate with a dummy domain if a user configures an activation server hostname to a dummy URL. This behavior may cause information disclosure. No official patch or remediation guidance is currently available, and no known exploits are reported in the wild.
AI Analysis
Technical Summary
Arcserve UDP Console 10.3 contains a vulnerability involving an incorrectly specified destination in a communication channel. Specifically, if a user sets the activation server hostname to a dummy URL, the product may send communications to that unintended domain, potentially leading to information disclosure. The CVSS 3.0 base score is 6.3, reflecting a network attack vector with low complexity and no privileges required, but user interaction is needed. The impact includes limited confidentiality, integrity, and availability impacts. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can cause the UDP Console to unintentionally communicate with a dummy domain specified by the user, which may result in information disclosure. The CVSS score indicates a medium impact with limited confidentiality, integrity, and availability consequences. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid configuring the activation server hostname to dummy or untrusted URLs to prevent unintended communications and potential information disclosure.
CVE-2026-40118: Incorrectly specified destination in a communication channel in Arcserve UDP Console
Description
CVE-2026-40118 is a medium severity vulnerability in Arcserve UDP Console version 10. 3 where an incorrectly specified destination in a communication channel can lead the product to unintentionally communicate with a dummy domain if a user configures an activation server hostname to a dummy URL. This behavior may cause information disclosure. No official patch or remediation guidance is currently available, and no known exploits are reported in the wild.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Arcserve UDP Console 10.3 contains a vulnerability involving an incorrectly specified destination in a communication channel. Specifically, if a user sets the activation server hostname to a dummy URL, the product may send communications to that unintended domain, potentially leading to information disclosure. The CVSS 3.0 base score is 6.3, reflecting a network attack vector with low complexity and no privileges required, but user interaction is needed. The impact includes limited confidentiality, integrity, and availability impacts. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can cause the UDP Console to unintentionally communicate with a dummy domain specified by the user, which may result in information disclosure. The CVSS score indicates a medium impact with limited confidentiality, integrity, and availability consequences. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid configuring the activation server hostname to dummy or untrusted URLs to prevent unintended communications and potential information disclosure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-04-09T04:39:51.927Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e06d5282d89c981f32f352
Added to database: 4/16/2026, 5:02:10 AM
Last enriched: 4/16/2026, 5:16:49 AM
Last updated: 4/16/2026, 6:07:12 AM
Views: 4
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