Vulnerability · Published Feb 23, 2026 · Assigned by VulnCheck

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

Medium 6.5

In plain English

A medium-severity security flaw in Tenda F3 from Shenzhen Tenda Technology Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 83.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Shenzhen Tenda Technology Co., Ltd.	Tenda F3	0 – through 12.01.01.55_multi

Weakness: CWE-201, CWE-525 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://www.tendacn.com/product/F3 product
https://www.vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configuration-download third-party-advisory