Skip to content
Fencer Vulns
high 7.5

CVE-2020-12127 json

An information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an a…

published 2020-10-02 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4442

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.4%
EPSS 7.4% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Exploit prediction

7.40% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WAVLINK WN530H4 M30H4.V5030.190403 - Information Disclosure nuclei detection template

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.