← CVE Intelligence

CVE-2026-4346

Cleartext Storage of Administrative and Wi-Fi Credentials via Accessible Serial Interface in TP Link's TL-WR850N PUBLISHED

Description (CNA)

The vulnerability affecting TL-WR850N v3 allows cleartext storage of administrative and Wi-Fi credentials in a region of the device’s flash memory while the serial interface remains enabled and protected by weak authentication. An attacker with physical access and the ability to connect to the serial port can recover sensitive information, including the router’s management password and wireless network key. Successful exploitation can lead to full administrative control of the device and unauthorized access to the associated wireless network.

Affected (CNA)

Vendor / productVersions
TP-Link Systems Inc. / TL-WR850N v3affected 0 before V3_0.9.1 Build251205

CWE

CWE-312

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.