Cleartext storage and exposure of WPA2 credentials, and missing authentication on the rr/wr memory read/write commands, in the unauthenticated UART debug console of the Tenda N300 F3 (V603) allow a physically proximate attacker to obtain stored WPA2 credentials in cleartext and to read or write arbitrary memory via the serial console.
History

Mon, 29 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda n300 F3
Vendors & Products Tenda
Tenda n300 F3

Mon, 29 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
Title Cleartext WPA2 Credentials and Unauthenticated Memory Access via UART on Tenda N300

Mon, 29 Jun 2026 16:15:00 +0000

Type Values Removed Values Added
Title Cleartext WLAN Credentials Exposure and UART Memory Manipulation
Weaknesses CWE-200
CWE-285
CWE-311

Mon, 29 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-312
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 26 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
Title Cleartext WLAN Credentials Exposure and UART Memory Manipulation
Weaknesses CWE-200
CWE-285
CWE-311

Fri, 26 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Description Cleartext storage and exposure of WPA2 credentials, and missing authentication on the rr/wr memory read/write commands, in the unauthenticated UART debug console of the Tenda N300 F3 (V603) allow a physically proximate attacker to obtain stored WPA2 credentials in cleartext and to read or write arbitrary memory via the serial console.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-06-26T00:00:00.000Z

Updated: 2026-06-29T13:32:09.896Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38571

cve-icon Vulnrichment

Updated: 2026-06-29T13:30:56.032Z

cve-icon NVD

No data.

cve-icon Redhat

No data.