CVE-2021-27141
CVSS v3
9.8
CRITICAL
EPSS Score
15.8 %
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. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded *j7a(L#yZ98sSd5HfSgGjMj8;Ss;d)(*&^#@$a2s0i3g key. (The webs binary has details on how XOR is used.)
Technical details
- Published
- 2021-02-10
Frequently asked questions
What is CVE-2021-27141?
An issue was discovered on FiberHome HG6245D devices through RP2613. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded *j7a(L#yZ98sSd5HfSgGjMj8;Ss;d)(*&^#@$a2s0i3g key. (The webs binary has details on how XOR is used.)
Is CVE-2021-27141 actively exploited?
Active exploitation of CVE-2021-27141 has not been confirmed. Its EPSS score was 15.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27141?
CVE-2021-27141 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-27141 affecting your environment?
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