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VulnerabilityPublished Updated

CVE-2024-39764: Wavlink AC3000 · Command Injection

Affects Wavlink AC3000Source CVE Database V5

0

Not known to be exploited · CVSS 9.1 Critical.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
4.2% chance of exploitation in 30 days – higher than 91% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Jan 2025

  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

AI-suggested

  1. Immediately inventory all Wavlink AC3000 devices and verify firmware versions to identify affected units.
  2. Restrict administrative access to the router's web interface by limiting access to trusted IP addresses and enforcing strong authentication mechanisms, including multi-factor authentication if supported.
  3. Monitor network traffic and device logs for unusual authenticated HTTP POST requests targeting internet.cgi or abnormal routing table changes.
  4. Disable remote management interfaces if not required to reduce attack surface.
  5. Apply firmware updates from Wavlink as soon as they become available to patch the vulnerability.
  6. If patches are not yet available, consider temporary network segmentation or device replacement for critical environments.
  7. Educate users and administrators about the risk of credential compromise and enforce strong password policies.
  8. Employ network intrusion detection systems capable of detecting command injection patterns or anomalous router behavior.

Description

Multiple OS command injection vulnerabilities exist in the internet.cgi set_add_routing() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A command injection vulnerability exists in the `dest` POST parameter.

References

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