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2 vulnerabilities found for TL-WR850N v3 by TP-Link Systems Inc.

CVE-2026-4346 (GCVE-0-2026-4346)

Vulnerability from nvd – Published: 2026-03-26 21:16 – Updated: 2026-03-27 19:39
VLAI?
Title
Cleartext Storage of Administrative and Wi-Fi Credentials via Accessible Serial Interface in TP Link's TL-WR850N
Summary
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.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
CWE
  • CWE-312 - Cleartext storage of sensitive information
Assigner
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. TL-WR850N v3 Affected: 0 , < V3_0.9.1 Build251205 (custom)
Create a notification for this product.
Credits
Anirudh Tarikere Shankarappa
Show details on NVD website
To clipboard 

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CVE-2026-4346 (GCVE-0-2026-4346)

Vulnerability from cvelistv5 – Published: 2026-03-26 21:16 – Updated: 2026-03-27 19:39
VLAI?
Title
Cleartext Storage of Administrative and Wi-Fi Credentials via Accessible Serial Interface in TP Link's TL-WR850N
Summary
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.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
CWE
  • CWE-312 - Cleartext storage of sensitive information
Assigner
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. TL-WR850N v3 Affected: 0 , < V3_0.9.1 Build251205 (custom)
Create a notification for this product.
Credits
Anirudh Tarikere Shankarappa
Show details on NVD website
To clipboard 

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