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VulnerabilityPublished Updated

CVE-2024-39763: 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
4.9% chance of exploitation in 30 days – higher than 92% 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 restrict access to the router’s management interface to trusted networks and users only, employing network segmentation and firewall rules.
  2. Enforce strong authentication mechanisms and regularly audit credentials to prevent unauthorized access.
  3. Monitor router logs and network traffic for unusual authenticated HTTP POST requests targeting the internet.cgi endpoint, especially those involving the 'gateway' parameter.
  4. Disable remote management interfaces if not strictly necessary to reduce attack surface.
  5. Engage with Wavlink support or vendor channels to obtain firmware updates or patches addressing CVE-2024-39763 as soon as they become available.
  6. Consider deploying network intrusion detection systems (NIDS) with signatures targeting command injection patterns in router management traffic.
  7. Implement strict input validation and filtering at network perimeters where possible to detect and block malicious payloads.
  8. Prepare incident response plans specific to router compromise scenarios, including device isolation and forensic analysis.
  9. For organizations with large deployments, conduct an inventory of affected devices and prioritize patching or replacement.
  10. Educate network administrators on the risks of command injection vulnerabilities and the importance of secure configuration management.

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 `gateway` POST parameter.

References

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