CVE-2026-72841

EUVD-2026-58549
luci-app-openvpn fails to properly validate the instance_name2 parameter during file upload, allowing authenticated users to perform path traversal and write arbitrary files outside the intended directory. Attackers can upload malicious payloads to gain persistent root code execution by placing SSH keys in system directories accessible on reboot.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 50.04%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
openwrtluci
𝑥
< 24.10.7
CNA
openwrtluci
25.12.0 ≤
𝑥
< 25.12.4
CNA
Common Weakness Enumeration
References
https://github.com/openwrt/luci/security/advisories/GHSA-jjcx-c284-2qv8
https://www.vulncheck.com/advisories/luci-app-openvpn-path-traversal-rce-via-instance-name2
https://github.com/openwrt/luci/security/advisories/GHSA-jjcx-c284-2qv8