Is CVE-2026-6197 actively exploited?

No active exploitation of CVE-2026-6197 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6197 be exploited remotely?

Yes. CVE-2026-6197 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6197?

CVE-2026-6197 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-6197

CWE-119Published: April 13, 2026· Updated: Apr 13, 2026

8.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.2th

Official Description

A flaw has been found in Tenda F456 1.0.0.5. This vulnerability affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Executing a manipulation of the argument mit_ssid can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

NVD Source

Technical Analysis

CVE-2026-6197 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 8.8.

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