CVE-2021-27172
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password...
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.
- Record
CVE-2021-27172- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
CVE List No score
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.
- Record
CVE-2021-27172- Updated
- 2026-11-02
EUVDEUVD-2021-13939 No score
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.
- Record
EUVD-2021-13939- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7f6f-mqg7-656v No score
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password...
An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.
- Record
GHSA-7f6f-mqg7-656v- Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27172 is a critical vulnerability (CVSS 9.8) in Fiberhome Hg6245d Firmware, published February 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.6%, the 97th percentile. No source names a fixed version.