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.