CVE-2021-27141
CRITICAL
9.8
CVSS Score
Published: February 10, 2021 at 06:40 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
2 products affected across 1 vendorHG6245D FirmwareHG6245D
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Severity
CRITICAL9.8
Exploit prediction
EPSS 16%
Description
An issue was discovered on FiberHome HG6245D devices through RP2613. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded *j7a(L#yZ98sSd5HfSgGjMj8;Ss;d)(*&^#@$a2s0i3g key. (The webs binary has details on how XOR is used.)
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#httpd-decryption-algorithmCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-798
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