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HIGH

CVE-2025-55847

CVSS v3

8.8

HIGH

EPSS Score

2.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file. The vulnerability arises because the Cookie parameter does not properly validate the length of input data. Attackers can exploit this to execute arbitrary code or cause a denial of service (DoS) on the system

Technical details

Published
2025-09-26

Frequently asked questions

What is CVE-2025-55847?

Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file. The vulnerability arises because the Cookie parameter does not properly validate the length of input data. Attackers can exploit this to execute arbitrary code or cause a denial of service (DoS) on the system

Is CVE-2025-55847 actively exploited?

Active exploitation of CVE-2025-55847 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-55847?

CVE-2025-55847 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2025-55847 affecting your environment?

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