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Vulnerability Intelligence

CVE-2020-12127

High

An information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to leak router settings, including cleartext login details, DNS settings, and other sensitive information without authentication.

Published Oct 2, 2020 · Updated Nov 21, 2024

Key Facts

Patch in the next maintenance window
  • CVE-2020-12127 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Wn530h4 Firmware (Wavlink).
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 7.4% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

7.4%

Higher than 94.3% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

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Description

An information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to leak router settings, including cleartext login details, DNS settings, and other sensitive information without authentication.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Wn530h4 FirmwareWavlinkm30h4.v5030.190403n/a

Timeline

  1. Publicly disclosed

    Oct 2, 2020

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-306 Missing Authentication for Critical Function

References

FAQ

Common Questions.

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