PT-2026-21532 · Tenda · Tenda F3 Wireless Router

Kazuma Matsumoto · Published 2026-02-23 · Updated 2026-02-24 · CVE-2026-27514

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Shenzhen Tenda F3 Wireless Router firmware version V12.01.01.55 multi

Description The router firmware contains a flaw where the configuration download feature reveals the router password and administrative password in plaintext. The response from the ''/'' endpoint lacks proper Cache-Control directives, potentially allowing the data to be stored in client-side caches and accessed by unauthorized local users or processes.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Fix

Weakness Enumeration

CWE-525

CWE-201

Related Identifiers

BDU:2026-02453

CVE-2026-27514

Affected Products

Tenda F3 Wireless Router

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-27514 · Security Note
• https://bdu.fstec.ru/vul/2026-02453 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27514 · Vendor Advisory
• https://twitter.com/CVEnew/status/2026265032959418597 · Twitter Post
• https://tendacn.com/product/F3 · Note
• https://t.me/CVEtracker/45511 · Telegram Post
• https://vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configuration-download · Note
• https://tenable.com/cve/CVE-2026-27514 · Note