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cpe:2.3:a:cwalter-at:freemodbus:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorCwalter At (4a51c17c-b787-504a-8a57-e33933fecad4)
ProductFreemodbus (97300256-a3dd-5932-a8af-3c39b94f3cc7)
Edition*
Language*
Software edition*
Target software*
Target hardware*
Other*

Notes

Imported from gcve-enriched-dumps CVE data

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Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-71263 vulnerable 2026-09-16 04:32:59.495387 FreeModbus LINUXTCP Port Off-by-One Global Buffer Overflow in xMBPortTCPPool()
CRITICAL (9.1)
The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool (demo/LINUXTCP/port/porttcp.c). The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MB_TCP_BUF_SIZE limit.
Published: 2026-08-05T12:26:11.423Z
Updated: 2026-08-10T11:46:28.356Z
Reference links
Imported from gcve-enriched-dumps CVE data

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