PatchTheCVECVE-2023-30257: A buffer overflow in the component /proc/ftxxxx-debug of FiiO M6 Build Number v1.0.4 allows attackers to escal
CVE-2023-30257 is a high-severity flaw (CVSS 7.8) affecting m6 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A buffer overflow in the component /proc/ftxxxx-debug of FiiO M6 Build Number v1.0.4 allows attackers to escalate privileges to root.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 70%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2023-05-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-30257?
m6 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-30257 being exploited?
CVE-2023-30257 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-30257 affect?
CVE-2023-30257 affects m6 firmware. Severity is high (CVSS 7.8). A buffer overflow in the component /proc/ftxxxx-debug of FiiO M6 Build Number v1.0.4 allows attackers to escalate privileges to root.
How urgent is CVE-2023-30257?
Priority 40/100. High severity; Public exploit reference