RCE in Weidmueller Interface Ie-Sr-2tx-Wl
CVE-2026-63586
The web-based management interface uses a modified uhttpd server with CGI shell scripts. The HTTP Basic Authentication username, taken directly from the Authorization header without sanitization, is inserted into a shell command string executed via the system() function. By submitting a specially crafted username containing shell metacharacters, an unauthenticated attacker with network access to the device can escape the command context and execute arbitrary commands with root privileges.
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-63586?
- CVE-2026-63586 is a critical-severity vulnerability in Weidmueller Interface Ie-Sr-2tx-Wl, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-25.
- How severe is CVE-2026-63586?
- Critical severity. CVSS v3 base score is 9.8 out of 10.