High severity7.5NVD Advisory· Published Aug 31, 2020· Updated Jun 17, 2026
CVE-2020-7524
CVE-2020-7524
Description
Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.
Affected products
3- cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*Range: <=5.0.0.7
- Schneider Electric/Modicon M218 Logic Controllerdescription
- Range: <=V5.0.0.7
Patches
Vulnerability mechanics
References
1- www.se.com/ww/en/download/document/SEVD-2020-224-03/nvdVendor Advisory
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