CVE-2021-27179
CVSS v3
7.5
HIGH
EPSS Score
13.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-02-10
Frequently asked questions
What is CVE-2021-27179?
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.
Is CVE-2021-27179 actively exploited?
Active exploitation of CVE-2021-27179 has not been confirmed. Its EPSS score was 13.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27179?
CVE-2021-27179 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-27179 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).