Is CVE-2026-5684 actively exploited?

No active exploitation of CVE-2026-5684 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5684 be exploited remotely?

Partially. CVE-2026-5684 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-5684?

CVE-2026-5684 has a CVSS score of 8.0 (HIGH).

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HIGH

CVE-2026-5684

CWE-119Published: April 6, 2026· Updated: Apr 7, 2026

8.0

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:10.1th

Official Description

A vulnerability was determined in Tenda CX12L 16.03.53.12. Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack requires access to the local network. The exploit has been publicly disclosed and may be utilized.

NVD Source

Technical Analysis

CVE-2026-5684 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.