Schneider Electric Controllers Vulnerability: A Hacker’s Delight or a Fixer’s Fright?
Attention, Schneider Electric users! Your Modicon Controllers might be more open than a 24-hour diner, thanks to a vulnerability that lets sneaky attackers exploit the webserver URL for unauthorized access. View CSAF and update to the latest firmware or lock those controllers away like your grandma’s secret cookie recipe!
Hot Take:
Who knew that Schneider Electric’s Modicon Controllers were feeling a bit too open-minded for their own good? Looks like these controllers are taking the concept of ‘open-source’ a bit too literally by leaving the door open for unauthenticated attackers to frolic around. Schneider Electric is now scrambling to close the curtains on this accidental open house with a critical patch. It’s like a high-stakes game of ‘Who Left the Door Open?’ but with more cybersecurity jargon and slightly less family-friendly fun.
Key Points:
- Schneider Electric’s Modicon Controllers are vulnerable to an exploit that allows unauthenticated attackers to access resources by manipulating the webserver URL.
- The vulnerability is classified under CWE-610: Externally Controlled Reference to a Resource in Another Sphere and has been assigned CVE-2025-2875.
- Mitigations include updating to the latest firmware, using protected environments, and disabling unused web servers.
- Schneider Electric has released a patch for M241/M251 controllers but is still working on a fix for M258/LMC058 models.
- CISA advises organizations to implement recommended cybersecurity strategies and be vigilant against social engineering attacks.