What is CVE-2026-54410?

CVE-2026-54410 is a high-severity vulnerability, classified under Off-by-one Error. CVSS score: 8.6/10. Published 2026-06-14.

How severe is CVE-2026-54410?

High severity. CVSS v3 base score is 8.6 out of 10.

CVE-2026-54410

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 re…

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

Weakness classification (CWE)

CWE-193 — Off-by-one Error
CWE-787 — Out-of-bounds Write

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Frequently asked questions

What is CVE-2026-54410?: CVE-2026-54410 is a high-severity vulnerability, classified under Off-by-one Error. CVSS score: 8.6/10. Published 2026-06-14.
How severe is CVE-2026-54410?: High severity. CVSS v3 base score is 8.6 out of 10.