CVE-2021-27179
HIGH
7.5
CVSS Score
Published: February 10, 2021 at 06:33 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorHG6245D FirmwareHG6245D
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Severity
HIGH7.5
Exploit prediction
EPSS 14%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
HG6245D· Fiberhomedevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-dosCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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