TI-2025-04860 Aliases CVE-2025-5408 GHSA-hwq5-562f-8695

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

MEDIUM 50CWE-119Published 2025-06-01 · Updated 2025-06-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00864 58th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wavlink	QUANTUM D2G	V1410_240222	—	No fix listed	CNA
Wavlink	QUANTUM D3G	V1410_240222	—	No fix listed	CNA
Wavlink	WL-WN530G3A	V1410_240222	—	No fix listed	CNA
Wavlink	WL-WN530HG3	V1410_240222	—	No fix listed	CNA
Wavlink	WL-WN532A3	V1410_240222	—	No fix listed	CNA
Wavlink	WL-WN576K1	V1410_240222	—	No fix listed	CNA

QUANTUM D2G VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA
QUANTUM D3G VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA
WL-WN530G3A VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA
WL-WN530HG3 VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA
WL-WN532A3 VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA
WL-WN576K1 VendorWavlink Affected V1410_240222 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-5408
2026-10-03 Alias added: GHSA-hwq5-562f-8695

References

Exploit 1

https://github.com/CH13hh/tmp_store_cc/blob/main/wavlink/1.md

TI-2022-02298 WAVLINK WN535K2/WN535K3 nightled.cgi os command injection CVSS 3.1CRITICAL 9.8
TI-2026-83752 OS command injection in WAVLINK WN551X3-A DNS resolution handler CVSS 4.0CRITICAL 10.0
TI-2026-83751 WAVLINK WN551X3-A WireGuard CLI Group ioos os command injection CVSS 4.0CRITICAL 10.0
TI-2026-83668 Stack-based overflow in WAVLINK WN536AX6-A OpenVPN handler CVSS 4.0CRITICAL 10.0
TI-2026-83667 OS command injection in WAVLINK WN536AX6-A WireGuard handler CVSS 4.0CRITICAL 10.0
TI-2026-83666 OS command injection in WAVLINK WN536AX6-A openvpn_cli handler CVSS 4.0CRITICAL 10.0

See all 248 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences