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VulnerabilityPublished Updated

CVE-2024-3659: KAON Group AR2140 · OS Command Injection

Affects KAON Group AR2140Source CVE Database V5

0

Not known to be exploited · CVSS 10.0 Critical.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 4.0 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 75% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
KAON Group AR2140Affected
  • =3.0.0
  • =4.0.0
Fixed in–

AI-suggested

  1. Immediately update KAON AR2140 routers to firmware versions 3.2.50 or 4.2.16 or later, as these versions contain patches addressing the command injection vulnerability.
  2. Restrict access to the router's administrative portal by implementing network segmentation, ensuring that only trusted management networks or VPNs can reach the interface.
  3. Employ strong authentication mechanisms and change default credentials to reduce the risk of unauthorized access.
  4. Monitor network traffic for unusual requests targeting router management endpoints that could indicate exploitation attempts.
  5. Disable or limit remote management capabilities if not strictly necessary.
  6. Conduct regular security audits and vulnerability scans focusing on network devices to detect outdated firmware or misconfigurations.
  7. Implement intrusion detection/prevention systems (IDS/IPS) tuned to detect command injection patterns or anomalous administrative requests.
  8. Maintain an inventory of all KAON AR2140 devices within the organization to ensure comprehensive patching and monitoring.
  9. Educate network administrators on the risks and signs of exploitation related to this vulnerability.
  10. Coordinate with vendors and security advisories for updates on exploit developments and mitigation best practices.

Description

Firmware in KAON AR2140 routers, prior to versions 3.2.50 and 4.2.16, is vulnerable to a shell command injection via sending a crafted request to one of the endpoints. In order to exploit this vulnerability, one has to have access to the administrative portal of the router.

References

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