Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the…
Priority HIGH 73CWE-120Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file. The vulnerability arises because the Cookie parameter does not properly validate the length of input data. Attackers can exploit this to execute arbitrary code or cause a denial of service (DoS) on the system
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02257 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| — | — | 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-2025-55847
- 2026-10-03 Alias added: GHSA-fm5r-j2g9-7g6v
References
Sources
- CVE-2025-55847 · CVE Program
- CVE-2025-55847 · NVD
- FIRST EPSS
- GHSA-fm5r-j2g9-7g6v · 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