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Vulnerabilities

Vulnerability · CVE-2025-55847

Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file.

Published Sep 26, 2025 · catalog updated Sep 29, 2025 · Wavlink M86X3A_V240730 contains a

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-55847. EPSS is 2.08%. Act only if a listed version of Wavlink M86X3A_V240730 contains a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Wavlink M86X3A_V240730 contains a).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.08%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-55847

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-55847. EPSS is 2.08%. Act only if a listed version of Wavlink M86X3A_V240730 contains a is installed.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.08%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 26, 2025 · EUVD

    Detected

    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

  2. Sep 29, 2025 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-55847

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-55847

    30-day exploitation probability 2.08%

    first.org
  • EUVDVulnerability recordEUVD-2025-31379

    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 d

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026