High severity7.8NVD Advisory· Published Nov 22, 2021· Updated Jun 17, 2026
CVE-2021-42705
CVE-2021-42705
Description
PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=1.3.8
- Range: All
Patches
Vulnerability mechanics
References
1- us-cert.cisa.gov/ics/advisories/icsa-21-315-01nvdThird Party AdvisoryUS Government Resource
News mentions
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