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TI-2026-42400 Aliases CVE-2026-59260GHSA-7pqv-wj3v-fcq3

OpenWrt luci-app-samba4 read ACL remote code execution via smbd

Priority HIGH 73CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-269.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00875 59th percentileScored 2026-11-07
Fix Fixed luci (openwrt): 24.10.8, 25.12.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
openwrtlucibefore 24.10.8; 25.12.0 to before 25.12.524.10.8, 25.12.5Patch availableCNA
  • luci Vendoropenwrt Affected before 24.10.8; 25.12.0 to before 25.12.5 Fixed in 24.10.8, 25.12.5 Patch available CNA

Remediation

  • Fix · CNA luci (openwrt) Fixed in 24.10.8, 25.12.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    openwrt luci 24.10.8, 25.12.5

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2026-44279 luci-app-upnp Stored XSS via UPnP Port Mapping DescriptionPriority HIGH 73
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59260
  2. 2026-10-03 Alias added: GHSA-7pqv-wj3v-fcq3

References

Advisory 1

  • TI-2026-79903 Stack buffer overflow in odhcpd DHCPv6 IA reply handling CVSS 3.1CRITICAL 9.8
  • TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
  • TI-2026-79901 Use-after-free in odhcpd DHCPv6 IA handling CVSS 4.0HIGH 8.8
  • TI-2026-48502 OpenWrt luci-app-bmx7 Path Traversal via bmx7-info CVSS 4.0HIGH 8.7
  • TI-2026-44407 luci-app-banip Log Monitor IP Extraction Bypass CVSS 4.0HIGH 8.7
  • TI-2026-51067 luci-app-openvpn Path Traversal RCE via instance_name2 CVSS 4.0CRITICAL 9.4
See all 168 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences