CVE-2026-38571

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.

CVSS v3.1 Score

4.6

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0011

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-312 CWE-312

References

Other References

https://github.com/ZEssaidi-CS/Vulnerability-research/tree/main/CVE-2026-38571 https://github.com/ZEssaidi-CS/Vulnerability-research/tree/main/CVE-2026-38571

Frequently Asked Questions

What is CVE-2026-38571? +

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. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2026-38571? +

CVE-2026-38571 has a CVSS v3.1 score of 4.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0011, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-38571? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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