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CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field

🗓️ 14 Jun 2026 17:10:12Reported by TuranSecType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

Remote unauthenticated attacker triggers an off-by-one overflow in the Modbus/TCP server, causing DoS and data leakage.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-54410
14 Jun 202619:00
–circl
cve
CVE
CVE-2026-54410
14 Jun 202617:10
–cve
euvd
EUVD
EUVD-2026-36661
14 Jun 202617:10
–euvd
nvd
NVD
CVE-2026-54410
14 Jun 202618:17
–nvd
ptsecurity
Positive Technologies
PT-2026-49133
14 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-54410: Off-by-one Error
14 Jun 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-54410 nanoMODBUS Off-by-One Buffer Overflow in recv_msg_header() via Crafted MBAP Length Field
14 Jun 202617:10
–vulnrichment
[
  {
    "vendor": "debevv",
    "product": "nanoMODBUS",
    "collectionURL": "https://github.com/debevv/nanoMODBUS",
    "repo": "https://github.com/debevv/nanoMODBUS",
    "programFiles": [
      "nanomodbus.c"
    ],
    "programRoutines": [
      {
        "name": "recv_msg_header"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "1.23.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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10 Aug 2026 11:43Current
CVSS 3.18.6
CVSS 48.8
CVSS 29
EPSS0.00861
SSVC
62