CISA advisory: buffer overflow / integer coercion vulnerabilities in FANUC robot controllers
S1 · 31 Aug 2021 · FANUC
Record
| Company | FANUC |
| Industry | Machinery OEM |
| Type(s) | cyber |
| Date | 31 Aug 2021 (day precision) |
| Time of day | not documented |
| Location | no physical site (recall / fleet-wide / aggregate record) |
| Severity | (near-miss / disclosed vulnerability) |
| Scale | FANUC robot controller product line |
| Confidence | high |
| Verified flag | Cited source on file; not independently re-verified |
Summary
CISA published ICSA-21-243-02 describing vulnerabilities in FANUC robot controllers that could crash the device or, via buffer overflow, potentially allow remote code execution; no known public exploitation, vendor patch/mitigation issued.
Primary source
Publisher: CISA ICS-CERT · Retrieved: 2026-09-16
Supporting source rows (1)
| Date | Supporting source row | Publisher | Link |
|---|---|---|---|
| 31 Aug 2021 | CISA advisory: buffer overflow / integer coercion vulnerabilities in FANUC robot controllers | CISA ICS-CERT | CISA ICS-CERT |
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