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Schneeberger
DEEN
CVE tracker

CVE-2026-111735

CVE-2026-111735High 7.1

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Research and translation in progress – available shortly.

Public exploits

PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.

Original description (NVD)

P-Net before 1.0.3 contains an integer underflow in pf_cpm_c_data_ind(). When handling a received cyclic data frame while the consumer is in the FRUN or RUN state, the offset of the APDU status was computed as the frame length minus 4 using 16-bit arithmetic, without checking that the frame is long enough. A crafted short frame makes the offset wrap around, so the function reads outside the receive buffer. This can cause a crash (denial of service) or disclose memory content.

NVD references (1)

Sources

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This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.

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