What’s Vulnerable › Vulnerabilities

CVE-2020-7240

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-20 · updated 2026-06-17
• Weakness: CWE-78

Description

Meinberg Lantime M300 and M1000 devices allow attackers (with privileges to configure a device) to execute arbitrary OS commands by editing the /config/netconf.cmd script (aka Extended Network Configuration). Note: According to the description, the vulnerability requires a fully authenticated super-user account using a webUI function that allows super users to edit a script supposed to execute OS commands. The given weakness enumeration (CWE-78) is not applicable in this case as it refers to abusing functions/input fields not supposed to be accepting OS commands by using 'Special Elements.

Affected products

• Meinbergglobal Lantime M1000 Firmware: all versions
• Meinbergglobal Lantime M300 Firmware: all versions

References

• https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.html
• https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.html
• https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer
• https://sku11army.blogspot.com/2020/01/heinberg-lantime-m1000-rce.html
• https://sku11army.blogspot.com/2020/01/meinberg-lantime-m1000-rce.html
• https://wolke.meinberg.de/index.php/s/dKP3PKgFXS6sPRE#pdfviewer

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