Stack-based buffer overflow vulnerability in WAVLINK QUANTUM D3G/WL-WN530HG3 firmware…
Priority HIGH 78CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Stack-based buffer overflow vulnerability in WAVLINK QUANTUM D3G/WL-WN530HG3 firmware M30HG3_V240730, and possibly other wavlink models allows attackers to execute arbitrary code via crafted referrer value POST to login.cgi.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00723 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-61128
- 2026-10-03 Alias added: GHSA-6gqc-2cg6-q36c
Sources
- CVE-2025-61128 · CVE Program
- CVE-2025-61128 · NVD
- FIRST EPSS
- GHSA-6gqc-2cg6-q36c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences