CVE-2025-54870
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| leakingmemory | vtun-ng | >= 3.0.12, < 3.0.18 | affected |
Weaknesses
- CWE-636: CWE-636: Not Failing Securely ('Failing Open')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/leakingmemory/vtun-ng/security/advisories/GHSA-m3jc-27c6-2wrf
- https://github.com/leakingmemory/vtun-ng/commit/8c63982b6c487c52db1d56ab94c266f0bc857140
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