CVE-2026-38571

Cleartext WPA2 Credentials and Unauthenticated Memory Access via UART on Tenda N300

Published Jun 26, 2026 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tenda
Tenda n300 F3
Vendors & Products Tenda
Tenda n300 F3
Type Values Removed Values Added
Title Cleartext WPA2 Credentials and Unauthenticated Memory Access via UART on Tenda N300
Type Values Removed Values Added
Title Cleartext WLAN Credentials Exposure and UART Memory Manipulation
Weaknesses CWE-200
CWE-285
CWE-311
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'}

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

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 29, 2026, 1:32 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Jun 26, 2026, 10:16 PM
Modified
Jun 29, 2026, 7:27 PM