Issues

• S7comm server crash via oversized Read Variable count=0xFFFF (CWE-20)

  SCADACS/snap7#16 · Filter by author alosafuzz opened on Jul 17, 2026

• Pre-auth NULL-pointer dereference in S7 Upload handler — snap7 server

  SCADACS/snap7#15 · Filter by author entropy1337 opened on Jul 12, 2026

• Pre-auth heap buffer overflow in S7 Download handler — snap7 server

  SCADACS/snap7#14 · Filter by author entropy1337 opened on Jul 12, 2026

• Pre-auth stack buffer overflow in S7 Write handler

  SCADACS/snap7#12 · Filter by author entropy1337 opened on Jul 12, 2026

• Pre-auth heap buffer overflow in S7 Download handler — snap7 server

  SCADACS/snap7#11 · Filter by author entropy1337 opened on Jul 12, 2026

• Pre-auth stack overflow in S7 Read handler (signed/unsigned guard bypass)

  SCADACS/snap7#10 · Filter by author entropy1337 opened on Jul 12, 2026

• Wrong filename in snap7-full-1.4.2

  SCADACS/snap7#7 · Filter by author Kurt-Mueller opened on Nov 21, 2024

• The program does not automatically connect to the PLC S7-1200 after the computer restarts.

  SCADACS/snap7#6 · Filter by author hexiangdong2020 opened on Mar 17, 2023

• Update

  SCADACS/snap7#4 · Filter by author cubimon opened on Feb 26, 2019
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