What’s Vulnerable › Vulnerabilities

CVE-2020-29138

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-27 · updated 2026-06-17
• Weakness: CWE-306

Description

Incorrect Access Control in the configuration backup path in SAGEMCOM F@ST3486 NET DOCSIS 3.0, software NET_4.109.0, allows remote unauthenticated users to download the router configuration file via the /backupsettings.conf URI, when any valid session is running.

Affected products

• Sagemcom F@St 3486 Router Firmware: 4.109.0

References

• https://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8
• https://medium.com/%40alexandrevvo/improper-access-control-in-the-sagemcom-router-model-f-st3486-net-797968e8adc8

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