VulnSocial

CVE-2026-54410Disclosure

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-193CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked 1d ago at 2 mentions (2026-06-14); latest day: 1
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-06-14: 2Mentions · 2026-06-15: 1Patch / Workaround · 2026-06-15: 1Technical Details · 2026-06-14: 2Technical Details · 2026-06-15: 106-1406-15
Signal classification1 categories
Disclosure
3100.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-06-142
Disclosure2
2026-06-151
Disclosure1
Full discourse3 posts
  • ADK Cyber@ADKCyber
    Disclosure

    CVE-2026-54410 (CVSS 9.0): nanoMODBUS <=1.23.0 has a remote unauthenticated vulnerability in its Modbus/TCP server. Organizations using this library should review and update promptly. via NVD Recent High CVSS #CyberSecurity #InfoSec #Vulnerability https://t.co/5ncM4Q0nG4

    Post summary

    The tweet announces a high‑severity CVE affecting nanoMODBUS, providing technical details and urging users to apply an update, but contains no evidence of exploitation or a PoC.

    0000063
    93 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-54410 Off-by-One Buffer Overflow in nanoMODBUS Through v1.23.0 Modbus/TCP Server https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-54410

    Post summary

    The text announces a CVE, describing an off-by-one buffer overflow in nanoMODBUS v1.23.0, without mentioning exploits, patches, or active exploitation.

    0000064
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    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 attack… https://www.cve.org/CVERecord?id=CVE-2026-54410

    Post summary

    The post announces CVE-2026-54410, describing an off-by-one buffer overflow in nanoMODBUS’s Modbus/TCP server that permits remote unauthenticated attacks.

    00000160
    57.6K followersView on X

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