PT-2021-17274 · Fiberhome · Fiberhome Hg6245D

Pierre Kim · Published 2021-02-10 · Updated 2021-02-11 · CVE-2021-27155

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: FiberHome HG6245D versions through RP2613

Description: An issue was discovered in the web daemon of the affected devices, where hardcoded admin credentials are present, specifically the username admin and the password 3UJUh2VemEfUtesEchEC2d2e, which are intended for an ISP.

Recommendations: For FiberHome HG6245D versions through RP2613, consider changing the hardcoded admin credentials to secure ones as a temporary workaround, and restrict access to the web daemon to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2021-27155

Affected Products

Fiberhome Hg6245D

References · 3

• 🔥 https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-27155 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27155 · Vendor Advisory