Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2024-12856

70
FAUCET Score

CVE-2024-12856 is an OS command injection vulnerability affecting Four-Faith F3x24 and F3x36 router models, specifically firmware version 2.0. Authenticated, remote attackers can execute arbitrary OS commands via the apply.cgi endpoint when modifying system time. The vulnerability is rated HIGH (CVSS 7.2) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Default credentials in affected firmware versions can escalate this to an unauthenticated remote execution. This CVE is actively exploited in the wild, with reports of Mirai and RondoDox botnets leveraging it, and has garnered significant community discussion and media coverage despite no public exploit code being available.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:o:four-faith:f3x36_firmware:2.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:o:four-faith:f3x24_firmware:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
82.19%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.8219 is in the 99th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ducklingstudio.blog.fc2.com / blog-entry-392.html
ExploitThird Party Advisory
vulncheck.com / advisories/four-faith-time
Third Party Advisory
vulncheck.com / blog/four-faith-cve-2024-12856
ExploitThird Party Advisory