CVE-2025-54870
VTun-ng is a Virtual Tunnel over TCP/IP network. In versions 3.0.17 and below, failure to initialize encryption modules might cause reversion to plaintext due to insufficient error handling. The bug was first introduced in VTun-ng version 3.0.12. This is fixed in version 3.0.18. To workaround this issue, avoid blowfish-256.
Published:Aug 5, 2025
Last Modified:Apr 15, 2026
EPS:Aug 5, 2025
EPSS Score:0.00044
CVSS Score:8.7
Affected Products
Vendor
Product
Action
Vendor
Leakingmemory
Product
Vtun-ng
Leakingmemory
Vtun-ng
Vendor
Rust-lang
Product
Vtun-ng
Rust-lang
Vtun-ng
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
