Is there a public exploit for CVE-2026-40820?

No public exploit for CVE-2026-40820 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-40820?

CVE-2026-40820 scores CVSS 6.9 (v4.0), rated medium.

What does CVE-2026-40820 affect?

CVE-2026-40820 affects Helmholz, MB connect line mbCONNECT24, myREX24V2, myREX24V2.virtual, mymbCONNECT24.

6.9 Medium

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getVpnData function due to improper…

CVE-2026-40820

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getVpnData function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

Assessment

CVSS: 6.9 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 12 November 2026
Last updated: 12 November 2026
Affected: Helmholz · MB connect line · mbCONNECT24 · myREX24V2 · myREX24V2.virtual · mymbCONNECT24
Assigner: CERTVDE

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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