CVE-2026-27514 Tenda F3 Plaintext Credential Exposure in Configuration Download

High 7.1 Published Updated

Attackers can retrieve plaintext router and admin passwords from the configuration download endpoint, potentially leading to full device compromise.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-27514?

CVE-2026-27514 is a high-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. Tenda F3, published on 23 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a sensitive information exposure vulnerability in the configuration download functionality. The configuration download response includes the router password and administrative password in plaintext. The endpoint also omits appropriate Cache-Control directives, which can allow the response to be stored in client-side caches and recovered by other local users or processes with access to cached browser data.

Weakness: CWE-525, CWE-201

Which versions are affected by CVE-2026-27514?

It affects 1 product.

Products include Tenda F3 Firmware.

How do I fix CVE-2026-27514?

No fix has been published for CVE-2026-27514 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-27514 being exploited?

There is no known exploitation of CVE-2026-27514 in the wild and no public exploit code.

Sources

Also known as GHSA-jqx8-f6x9-hm34.

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