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Vulnerability record · CVE-2021-44260 · published 17 March 2022

CVE-2021-44260: Wavlink wl-wn531g3 firmware missing authentication for critical function vulnerability

Wavlink · Wl Wn531g3 Firmware

A vulnerability is in the 'live_mfg.html' page of the WAVLINK AC1200, version WAVLINK-A42W-1.27.6-20180418, which can allow a remote attacker to access this page without any authentication. When processed, it exposes some key information of the manager of router.

7.5 CVSS 3.1 High EPSS 6.4% · top 6.5% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability is in the 'live_mfg.html' page of the WAVLINK AC1200, version WAVLINK-A42W-1.27.6-20180418, which can allow a remote attacker to access this page without any authentication. When processed, it exposes some key information of the manager of router.

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
https://github.com/zer0yu/CVE_Request/blob/master/WAVLINK/WAVLINK_AC1200_unauthorized_access_vulnerability_first.md ExploitThird Party Advisory
https://github.com/zer0yu/CVE_Request/blob/master/WAVLINK/WAVLINK_AC1200_unauthorized_access_vulnerability_first.md ExploitThird Party Advisory

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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-2021-44260), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.