Auth bypass in Fiberhome Adsl An1020-25

CVE-2017-14147

An issue was discovered on FiberHome User End Routers Bearing Model Number AN1020-25 which could allow an attacker to easily restore a router to its factory settings by simply browsing to the link http://[Default-Router-IP]/restoreinfo.cgi & execute it. Due to improper authentication on this page, the software accepts the request hence allowing attacker to reset the router to its default configurations which later could allow attacker to login to router by using default username/password.

Vulnerability class: Broken Authentication

EPSS: 0.656 (99.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2017-14147?
CVE-2017-14147 is a critical-severity vulnerability in Fiberhome Adsl An1020-25, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-09-07.
How severe is CVE-2017-14147?
Critical severity. CVSS v3 base score is 9.8 out of 10.