CVE-2026-59260

EUVD-2026-43233
OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global options such as message command to a root smbd process, triggering command execution when SMB protocol messages are processed.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 57.77%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
openwrtluci
𝑥
< 24.10.8
CNA
openwrtluci
25.12.0 ≤
𝑥
< 25.12.5
CNA
Common Weakness Enumeration
References
https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c
https://www.vulncheck.com/advisories/openwrt-luci-app-samba4-read-acl-remote-code-execution-via-smbd
https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c