CVE-2021-27156
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains...
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.
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. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.
- Record
CVE-2021-27156- 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
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-798
- Updated
- 2026-11-02
CVE List No score
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.
- Record
CVE-2021-27156- Updated
- 2026-11-02
EUVDEUVD-2021-13923 No score
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.
- Record
EUVD-2021-13923- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4h45-9hf5-qr48 No score
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains...
An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.
- Record
GHSA-4h45-9hf5-qr48- 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-2021-27156 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 15.2%, the 96th percentile. No source names a fixed version.