CVE-2021-44124: Hiby Music Hiby OS R3 Pro 1.5 and 1.6 is vulnerable to Directory Traversal
CVE-2021-44124 is a high-severity flaw (CVSS 7.5) affecting r3 pro firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Hiby Music Hiby OS R3 Pro 1.5 and 1.6 is vulnerable to Directory Traversal. The HTTP Server does not have enough input data sanitization when shown data from SD Card, an attacker can navigate through the device's File System over HTTP.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.9% (top 21%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2022-03-28 |
| 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-2021-44124?
r3 pro firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-44124 being exploited?
CVE-2021-44124 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-2021-44124 affect?
CVE-2021-44124 affects r3 pro firmware. Severity is high (CVSS 7.5). Hiby Music Hiby OS R3 Pro 1.5 and 1.6 is vulnerable to Directory Traversal. The HTTP Server does not have enough input data sanitization when shown data from SD Card, an attacker can navigate through the device's File System over HTTP.
How urgent is CVE-2021-44124?
Priority 56/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action