CVE-2026-102212: Heap Overflow

Description

Heap-based buffer overflow in Opengear IM72XX, CM71XX, and ACM70XX firmware versions 4.8.0 through 5.5.2 on console server appliances allows an unauthenticated remote attacker to crash the index.cgi process via a crafted multipart/form-data POST request containing an overlong Content-Disposition name field.

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Weakness Type (CWE)

CWE-122 CWE-122

References

Other References

https://portal.opengear.com/customerservice/s/article/CVE-2026-102212-Opengear-Console-Server-Buffer-Overflow-to-RCE https://portal.opengear.com/customerservice/s/article/Release-Notification-Firmware-Version-5-5-3-is-Now-Generally-Available

Frequently Asked Questions

What is CVE-2026-102212? +

Heap-based buffer overflow in Opengear IM72XX, CM71XX, and ACM70XX firmware versions 4.8.0 through 5.5.2 on console server appliances allows an unauthenticated remote attacker to crash the index.cgi process via a crafted multipart/form-data POST request containing an overlong Content-Disposition name field.

How do I check if I'm vulnerable to CVE-2026-102212? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-102212