Vulnerability Description
An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to crash the telnet daemon by sending a certain 0a 65 6e 61 62 6c 65 0a 02 0a 1a 0a string.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fiberhome | Hg6245D Firmware | <= rp2613 |
| Fiberhome | Hg6245D | - |
Related Weaknesses (CWE)
References
- https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.hExploitThird Party Advisory
- https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.hExploitThird Party Advisory
FAQ
What is CVE-2021-27179?
CVE-2021-27179 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to crash the telnet daemon by sending a certain 0a 65 6e 61 62 6c 65 0a 02 0a 1a 0a string.
How severe is CVE-2021-27179?
CVE-2021-27179 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27179?
Check the references section above for vendor advisories and patch information. Affected products include: Fiberhome Hg6245D Firmware, Fiberhome Hg6245D.