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Fencer Vulns
high 7.5

CVE-2022-34047 in the critical feed json

An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows attackers to obtain usernames and passwords via view-source:http://I…

published 2022-07-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37077

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
22.2%
EPSS 22.2% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

An access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows attackers to obtain usernames and passwords via view-source:http://IP_ADDRESS/set_safety.shtml?r=52300 and searching for [var syspasswd].

Timeline

  1. Published
  2. First public exploit (EDB-50991)

Exploit prediction

22.19% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50991 Wavlink WN530HG4 - Password Disclosure webapps, 2022-08-01
  • Nuclei template WAVLINK WN530HG4 - Improper Access Control nuclei detection template
  • drive.google.com https://drive.google.com/file/d/1sTQdUc12aZvJRFeb5wp8AfPdUEkkU9Sy/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified

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

Classification

Weakness
  • CWE-668 Exposure of Resource to Wrong Sphere

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.