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TI-2020-17572 Aliases CVE-2020-29138GHSA-mhcx-4c5f-w275

Incorrect Access Control in the configuration backup path in SAGEMCOM F@ST3486 NET DOCSIS…

Priority LOW 26CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

EPSS 0.0113 66th percentileScored 2026-11-08
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sagemcom:f\@st_3486_router_firmware:4.109.0:*:*:*:*:*:*:*4.109.0VulnerableSagemcom
cpe:2.3:h:sagemcom:f\@st_3486_router:3.0:*:*:*:*:*:*:*3.0Running onSagemcom
  • cpe:2.3:o:sagemcom:f\@st_3486_router_firmware:4.109.0:*:*:*:*:*:*:* Versions 4.109.0 Vulnerable ·Sagemcom
  • cpe:2.3:h:sagemcom:f\@st_3486_router:3.0:*:*:*:*:*:*:* Versions 3.0 Running on ·Sagemcom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-29138
  2. 2026-10-03 Alias added: GHSA-mhcx-4c5f-w275

References

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences