CVE-2024-9644

Four-Faith F3x36 bapply.cgi Auth Bypass

The Four-Faith F3x36 router using firmware v2.0.0 is vulnerable to an authentication bypass vulnerability in the administrative web server. Authentication is not enforced on some administrative functionality when using the "bapply.cgi" endpoint instead of the normal "apply.cgi" endpoint. A remote and unauthenticated can use this vulnerability to modify settings or chain with existing authenticated vulnerabilities.

Affected

Four-Faith · F3x36

CVSS v3.1 VulnCheck

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.67% chance of exploitation in the next 30 days, 52nd percentile

Published

2025-02-04

Updated

2025-11-19

Proof-of-concept exploits (1)

• krevetkqqq/CVE-2024-9644Repo stars 0★ · pushed 2026-10-30 · find archive

CVE references

• https://vulncheck.com/advisories/four-faith-hidden-apiADVISORY

References

• CVE Record
• NVD entry

Related

• CVE-2014-8361
• CVE-2014-9583
• CVE-2019-7256
• CVE-2021-27177
• CVE-2022-40624
• CVE-2023-32311