CVE-2020-29138

5.3 mediumEPSS 1.1%

Medium (5.3) in sagemcom f\@st 3486 router firmware. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-11-01)
CWE: CWE-306
Published: 2020-11-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

sagemcom:f\@st_3486_router_firmware

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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