CVE-2022-34047

Wl Wn530hg4 Firmware vulnerability

CVSS

7.5

EPSS

21.4%

EPSS pct

97th

Exploited

No known

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].

Affected vendor

Wavlink

Affected product

Wl Wn530hg4 Firmware

CVSS vector

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

Weakness type (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

Published

2022-07-20

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 21.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2022-34047

Confirm whether Wavlink Wl Wn530hg4 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2022-34047.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-34047

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-34047 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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