What is the CVSS score of CVE-2026-27514?

CVE-2026-27514 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of F3 Firmware are affected by CVE-2026-27514?

Organizations using Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi should be aware of notable risk from CVE-2026-27514 rated CVSS 6.5.

How to fix or mitigate CVE-2026-27514?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

F3 Firmware CVE-2026-27514

MEDIUM

Insertion of Sensitive Information Into Sent Data (CWE-201)

2026-02-23 disclosure@vulncheck.com

Information Disclosure Tenda F3 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 23, 2026 - 17:23 nvd

MEDIUM 6.5

DescriptionCVE.org

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.

AnalysisAI

F3 Firmware contains a vulnerability that allows attackers to the response to be stored in client-side caches and recovered by other local use (CVSS 6.5).

Technical ContextAI

exists in the configuration download component. 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.