Buffer Overflow Vulnerability in Wavlink M86X3A_V240730
CVE-2025-55847

8.8HIGH

Key Information:

Vendor

Wavlink

Status
M86X3A_V240730
Vendor
CVE Published:
26 September 2025

What is CVE-2025-55847?

The Wavlink M86X3A_V240730 is susceptible to a buffer overflow condition originating from the '/cgi-bin/ExportAllSettings.cgi' file. This flaw occurs due to insufficient validation of the Cookie parameter’s input length. Malicious actors can leverage this vulnerability to execute arbitrary code on the device or induce a denial of service, potentially compromising system integrity and availability.

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References

https://github.com/meigui637/iot_zone/blob/main/%E6%A0%88...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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