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CVE-2024-4239

26
FAUCET Score

CVE-2024-4239 is a critical stack-based buffer overflow vulnerability affecting Tenda AX1806 firmware version 1.0.0.1. Specifically, manipulating the 'rebootTime' argument within the 'formSetRebootTimer' function in '/goform/SetRebootTimer' can lead to this overflow. With a CVSS score of 8.8 (High), this vulnerability can be exploited remotely with low privileges, potentially leading to high impact on confidentiality, integrity, and availability. The attack complexity is low, making it relatively easy to exploit. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, nor are there Metasploit or Nuclei modules available. Community discussion and media coverage are minimal, suggesting low public awareness despite the critical rating.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0.1CPE matchmatch criteria
cpe:2.3:o:tenda:ax1806_firmware:1.0.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 68th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

github.com / abcdefg-png/IoT-vulnerable/blob/main/Tenda/AX/AX1806/formSetRebootTimer.md
Broken Link
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry