What’s Vulnerable › Vulnerabilities

CVE-2025-5408: WAVLINK WL-WN576K1 HTTP POST Request login.cgi sys_login buffer overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-01 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was found in WAVLINK QUANTUM D2G, QUANTUM D3G, WL-WN530G3A, WL-WN530HG3, WL-WN532A3 and WL-WN576K1 up to V1410_240222 and classified as critical. Affected by this issue is the function sys_login of the file /cgi-bin/login.cgi of the component HTTP POST Request Handler. The manipulation of the argument login_page leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• WAVLINK QUANTUM D2G: V1410_240222
• WAVLINK QUANTUM D3G: V1410_240222
• WAVLINK WL-WN530G3A: V1410_240222
• WAVLINK WL-WN530HG3: V1410_240222
• WAVLINK WL-WN532A3: V1410_240222
• WAVLINK WL-WN576K1: V1410_240222

References

• https://github.com/CH13hh/tmp_store_cc/blob/main/wavlink/1.md
• https://vuldb.com/?ctiid.310748
• https://vuldb.com/?id.310748
• https://vuldb.com/?submit.583486

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