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VulnerabilityPublished

CVE-2026-32968: MB connect line mbCONNECT24 · OS Command Injection

Affects MB connect line mbCONNECT24Source CVE Database V5

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Mentioned vulnerabilities

Not known to be exploited · CVSS 9.8 Critical.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.

Contested

Critical score, yet low EPSS after six months
EPSS
0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
MB connect lineMB connect line mbCONNECT24Affected
  • <=2.19.3
Fixed in–
MB connect linemymbCONNECT24Affected
  • <=2.19.3
Fixed in–
HelmholzmyREX24V2Affected
  • <=2.19.3
Fixed in–
HelmholzmyREX24V2.virtualAffected
  • <=2.19.3
Fixed in–

AI-suggested

Given the absence of official patches, organizations should implement immediate compensating controls. These include isolating mbCONNECT24 devices within segmented network zones with strict firewall rules limiting inbound access to trusted sources only. Employ network intrusion detection/prevention systems (IDS/IPS) to monitor and block suspicious command injection patterns targeting the com_mb24sysapi module. Disable or restrict remote management interfaces where possible. Conduct thorough input validation and sanitization on any custom integrations or scripts interfacing with mbCONNECT24. Regularly audit and monitor logs for unusual command execution or access attempts. Engage with MB connect line support for updates and apply patches promptly once available. Additionally, implement strong network-level authentication and VPN access controls to reduce exposure. Consider deploying application-layer firewalls or web application firewalls (WAFs) that can detect and block OS command injection attempts.

Description

Due to the improper neutralisation of special elements used in an OS command, an unauthenticated remote attacker can exploit an RCE vulnerability in the com_mb24sysapi module, resulting in full system compromise. This vulnerability is a variant attack for CVE-2020-10383.

References

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