PT-2020-13052 · Wavlink · Wavlink Wn530H4

Published 2020-10-02 · Updated 2020-10-08 · CVE-2020-12126

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions WAVLINK WN530H4 M30H4.V5030.190403

Description The issue concerns multiple authentication bypass vulnerabilities. An attacker can exploit the /cgi-bin/ endpoint to leak router settings, change configuration variables, and cause denial of service. This can be achieved via an unauthenticated endpoint, posing a significant risk.

Recommendations For WAVLINK WN530H4 M30H4.V5030.190403, consider restricting access to the /cgi-bin/ endpoint until a patch is available. As a temporary workaround, limit changes to configuration variables and monitor router settings closely to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2020-12126

Affected Products

Wavlink Wn530H4

References · 4

• https://wavlink.com/en_us/product/WL-WN530H4.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-12126 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12126 · Security Note
• https://cerne.xyz/bugs/CVE-2020-12126 · Note