CVE-2026-63586 Unauthenticated Remote Code Execution via Shell Injection in Web Management Interface
Unauthenticated attackers can execute arbitrary commands with root privileges via shell injection in the web management interface of Weidmueller industrial switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-63586?
CVE-2026-63586 is a critical command injection vulnerability in Weidmueller Interface IE-SR-2TX-WL, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-63586?
How do I fix CVE-2026-63586?
No fix has been published for CVE-2026-63586 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-63586 being exploited?
There is no known exploitation of CVE-2026-63586 in the wild and no public exploit code.
Sources
Also known as GHSA-cf4x-hgj3-m8g7.