HIGHVulnerability
CVE-2026-54410
nanoMODBUS through v1.23.0 contains an off-by-one buffer overflow in the recv_msg_header function of the Modbus/TCP server that allows remote unauthenticated attackers to write one attacker-controlled byte past the end of the 260-byte receive buffer by sending a crafted MBAP frame whose Length field is set to 255.
Properties
- severity
- HIGH
- score
- 8.6
- cve_id
- CVE-2026-54410
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- published_at
- 2026-06-14T18:17:20.330
- last_modified
- 2026-08-10T12:17:16.943
Related Entities (3)
HAS_WEAKNESS (2)
→[Weakness]Off-by-one Error
→[Weakness]Out-of-bounds Write
DESCRIBED_BY (1)
→[Source]NVD
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