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Vulnerability record · CVE-2022-34047 · published 20 July 2022

CVE-2022-34047: Wavlink wl-wn530hg4 firmware exposure of resource to wrong sphere vulnerability

Wavlink · Wl Wn530hg4 Firmware

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].

7.5 CVSS 3.1 High EPSS 22% · top 2.4% CWE-668 · Exposure of resource to wrong sphere
7.5CVSS 3.1 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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].

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/167891/Wavlink-WN530HG4-Password-Disclosure.html Third Party AdvisoryVDB Entry
https://drive.google.com/file/d/1sTQdUc12aZvJRFeb5wp8AfPdUEkkU9Sy/view?usp=sharing ExploitThird Party Advisory
http://packetstormsecurity.com/files/167891/Wavlink-WN530HG4-Password-Disclosure.html Third Party AdvisoryVDB Entry
https://drive.google.com/file/d/1sTQdUc12aZvJRFeb5wp8AfPdUEkkU9Sy/view?usp=sharing ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-34045Wavlink wl-wn530hg4 firmware hard-coded credentials vulnerabilityWavlink WN530HG4 M30HG4.V5030.191116 was discovered to contain a hardcoded encryption/decryption key for its configuration files at /etc_ro/lighttpd/…EPSS 3.4%9.8CVE-2020-15489Wavlink wl-wn530hg4 firmware os command injection vulnerabilityAn issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple shell metacharacter injection vulnerabilities exist in CGI scrip…EPSS 3.7%9.8CVE-2020-15490Wavlink wl-wn530hg4 firmware classic buffer overflow vulnerabilityAn issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple buffer overflow vulnerabilities exist in CGI scripts, leading to…EPSS 3.7%8.8CVE-2020-10971Wavlink wl-wn575a3 firmware improper input validation vulnerabilityAn issue was discovered on Wavlink Jetstream devices where a crafted POST request can be sent to adm.cgi that will result in the execution of the sup…EPSS 2.7%7.5CVE-2022-48166Wavlink wl-wn530hg4 firmware missing authorization vulnerabilityAn access control issue in Wavlink WL-WN530HG4 M30HG4.V5030.201217 allows unauthenticated attackers to download configuration data and log files and …EPSS 2.8%7.5CVE-2020-12266Wavlink wl-wn579g3 firmware missing authentication for critical function vulnerabilityAn issue was discovered where there are multiple externally accessible pages that do not require any sort of authentication, and store system informa…EPSS 1.8%5.3CVE-2022-34049Wavlink wl-wn530hg4 firmware vulnerabilityAn access control issue in Wavlink WN530HG4 M30HG4.V5030.191116 allows unauthenticated attackers to download log files and configuration data.EPSS 2.7%

Source: NIST National Vulnerability Database (record CVE-2022-34047), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.