CVE-2025-41259 HIGH

CVE-2025-41259: SWUpdate Untrusted Script Execution via Signed Update TOCTOU

Vendor Sbabic
Product SWUpdate
Weakness CWE-367
Published June 3, 2026
Last update June 3, 2026

CVSS base score

7.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

SWUpdate before 2026.05 is affected by a time-of-check time-of-use (TOCTOU) race condition that allows local unprivileged attackers to escalate privileges to root or install untrusted contents using a signed update.

Key dates

02Disclosure timeline

June 3, 2026 CVE published
June 3, 2026 Record updated