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Vulnerability record · CVE-2020-10973 · published 7 May 2020

CVE-2020-10973: Wavlink wn530hg4 firmware missing authentication for critical function vulnerability

Wavlink · Wn530hg4 Firmware

An issue was discovered in Wavlink WN530HG4, Wavlink WN531G3, Wavlink WN533A8, and Wavlink WN551K1 affecting /cgi-bin/ExportAllSettings.sh where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.

7.5 CVSS 3.1 High EPSS 7.6% · top 5.7% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Wavlink WN530HG4, Wavlink WN531G3, Wavlink WN533A8, and Wavlink WN551K1 affecting /cgi-bin/ExportAllSettings.sh where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.

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

Affected products

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

References

LinkTags
https://github.com/Roni-Carta/nyra Not ApplicableThird Party Advisory
https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973 Third Party Advisory
https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973-affected_devices Third Party Advisory
https://github.com/sudo-jtcsec/Nyra Broken Link
https://github.com/Roni-Carta/nyra Not ApplicableThird Party Advisory
https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973 Third Party Advisory
https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973-affected_devices Third Party Advisory
https://github.com/sudo-jtcsec/Nyra Broken Link

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2020-10973), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.