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Threats Tagged 'cve-2026-111280'

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Active filters (1):Tag: cve-2026-111280

Threats Tagged 'cve-2026-111280'

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snap7 versions up to and including 1.4.3 have an out-of-bounds write vulnerability in the TSnap7MicroClient::opReadArea() function. This flaw allows malicious or impersonated S7 peers to overflow client buffers by exploiting an unchecked DataLength field in ReadVar responses. The vulnerability can cause memory corruption and crashes in SCADA, HMI, or gateway processes that use snap7.

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