CVE-2025-5408

Public Exploit
WAVLINK WL-WN576K1 HTTP POST Request login.cgi sys_login buffer overflow

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.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory vuldb.com
Affected: WAVLINK QUANTUM D2G
Affected: WAVLINK QUANTUM D3G
Affected: WAVLINK WL-WN530G3A
Affected: WAVLINK WL-WN530HG3
Affected: WAVLINK WL-WN532A3
Affected: WAVLINK WL-WN576K1
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.310748 vdb entry technical description
https://vuldb.com/?ctiid.310748 permissions required signature
https://vuldb.com/?submit.583486 third party advisory
https://github.com/CH13hh/tmp_store_cc/blob/main/wavlink/1.md exploit broken link

Frequently Asked Questions

What is the severity of CVE-2025-5408?
CVE-2025-5408 has been scored as a critical severity vulnerability.
How to fix CVE-2025-5408?
To fix CVE-2025-5408, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5408 being actively exploited in the wild?
It is possible that CVE-2025-5408 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5408?
CVE-2025-5408 affects WAVLINK QUANTUM D2G, WAVLINK QUANTUM D3G, WAVLINK WL-WN530G3A, WAVLINK WL-WN530HG3, WAVLINK WL-WN532A3, WAVLINK WL-WN576K1.
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