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TI-2019-13682 Aliases CVE-2019-18989GHSA-4p7h-q24r-h439

A partial authentication bypass vulnerability exists on Mediatek MT7620N 1.06 devices.

Priority LOW 26CWE-290Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-290.

Summary

A partial authentication bypass vulnerability exists on Mediatek MT7620N 1.06 devices. The vulnerability allows sending an unencrypted data frame to a WPA2-protected WLAN router where the packet is routed through the network. If successful, a response is sent back as an encrypted frame, which would allow an attacker to discern information or potentially modify data.

Why it matters now

EPSS 0.00751 55th percentileScored 2026-11-07
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:mediatek:mt7620n_firmware:1.06:*:*:*:*:*:*:*1.06VulnerableMediaTek
cpe:2.3:h:mediatek:mt7620n:-:*:*:*:*:*:*:*not specified by NVDRunning onMediaTek
  • cpe:2.3:o:mediatek:mt7620n_firmware:1.06:*:*:*:*:*:*:* Versions 1.06 Vulnerable ·MediaTek
  • cpe:2.3:h:mediatek:mt7620n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-18989
  2. 2026-10-03 Alias added: GHSA-4p7h-q24r-h439

References

Advisory 1

Sources

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