Stack-based Buffer Overflow in WAVLINK QUANTUM D3G and WL-WN530HG3 Firmware
CVE-2025-61128

9.1CRITICAL

Key Information:

Vendor

WAVLINK

Status
QUANTUM D3G/WL-WN530HG3 Firmware
Vendor
CVE Published:
28 October 2025

What is CVE-2025-61128?

A stack-based buffer overflow vulnerability exists in the WAVLINK QUANTUM D3G and WL-WN530HG3 firmware, specifically in version M30HG3_V240730. This vulnerability could enable attackers to execute arbitrary code through the manipulation of the referrer value in a specially crafted POST request to the login.cgi interface. This flaw poses a significant risk, as it could allow unauthorized access and control over the affected devices.

References

https://gist.github.com/shinobu-alpha/6dd5ad7f83c16360f65...

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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