CVE-2021-27156

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:fiberhome:hg6245d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fiberhome:hg6245d:-:*:*:*:*:*:*:*

History

11 Feb 2021, 00:52

Type	Values Removed	Values Added
References	~~(MISC) https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials -~~	(MISC) https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials - Exploit, Third Party Advisory
CPE		cpe:2.3:o:fiberhome:hg6245d_firmware:::::::: cpe:2.3:h:fiberhome:hg6245d:-:::::::*
CWE		CWE-798
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8

10 Feb 2021, 19:57

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-02-10 19:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-27156

Mitre link : CVE-2021-27156

CVE.ORG link : CVE-2021-27156

JSON object : View

Products Affected

fiberhome

hg6245d_firmware
hg6245d

CWE

CWE-798

Use of Hard-coded Credentials

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