PT-2021-17293 · Fiberhome · Fiberhome Hg6245D

Pierre Kim · Published 2021-02-10 · Updated 2021-02-12 · CVE-2021-27174

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description: An issue was discovered where the wifi custom.cfg file contains cleartext passwords and has 0644 permissions, which could potentially expose sensitive information.

Recommendations: For FiberHome HG6245D devices through RP2613, consider restricting access to the wifi custom.cfg file to minimize the risk of exploitation. As a temporary workaround, changing the permissions of the wifi custom.cfg file to more restrictive settings, such as 0640 or 0600, could help mitigate the issue until a more permanent fix is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

Related Identifiers

CVE-2021-27174

Affected Products

Fiberhome Hg6245D

References · 6

• 🔥 https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#system-credentials-clear-text-files · Exploit
• https://osv.dev/vulnerability/CVE-2021-27174 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27174 · Security Note
• https://t.me/cibsecurity/23397 · Telegram Post
• https://t.me/cvenotify/9831 · Telegram Post
• https://t.me/cvenotify/9737 · Telegram Post