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

mediumCVSS 4.6CVE-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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 4.6
Published: 2026-06-26
Last updated: 2026-06-29
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-38571

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-385710.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-38571	coverage & exploitation status	NVD · CVE.org

Recent advisories for Cleartext storage and

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalexploitedCVE-2011-4723: D-Link DIR-300 Router Cleartext Storage of a Password Vulnerabilitycisa-kev · 2022-09-08

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

Details

Exploitation outlook

Referenced CVEs

Recent advisories for Cleartext storage and

More from NVD Recent CVEs