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VulnerabilityPublished Updated

CVE-2024-39762: 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, 17:16 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
6.0% chance of exploitation in 30 days – higher than 93% 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

Organizations should immediately inventory their network to identify any Wavlink AC3000 devices running the affected firmware version M33A8.V5030.210505. Since no official patches are currently available, interim mitigations include restricting administrative access to trusted networks only, enforcing strong authentication mechanisms (complex passwords, multi-factor authentication if supported), and monitoring router logs for suspicious HTTP requests targeting internet.cgi. Network segmentation should be employed to isolate vulnerable devices from critical assets. Additionally, disabling remote management interfaces or restricting them via firewall rules can reduce attack surface. Organizations should maintain vigilance for firmware updates from Wavlink and apply them promptly once released. Employing intrusion detection systems to detect anomalous command injection attempts and conducting regular security assessments on network devices will further reduce risk.

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 `netmask` POST parameter.

References

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