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CVE-2024-39761VulnerabilityPublished Updated

CVE-2024-39761: Wavlink AC3000 · Command Injection

Affects Wavlink AC3000Source CVE Database V5

0

Not known to be exploited · CVSS 10.0 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
8.3% chance of exploitation in 30 days – higher than 94% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/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 2026-10-25.

What to do

AI-suggested

1. Immediately restrict access to the router’s web management interface by implementing network-level controls such as firewall rules or VPN-only access. 2. Disable remote management features if not strictly necessary to reduce exposure. 3. Monitor network traffic for unusual HTTP requests targeting login.cgi or abnormal command execution patterns. 4. Replace or isolate vulnerable Wavlink AC3000 devices until a vendor patch is released. 5. Regularly check Wavlink’s official channels for firmware updates addressing this vulnerability and apply them promptly. 6. Employ network segmentation to limit the impact of potential device compromise. 7. Use intrusion detection/prevention systems (IDS/IPS) with signatures for command injection attempts targeting this router model. 8. Educate IT staff about this vulnerability to ensure rapid response and mitigation. 9. Consider deploying endpoint detection on critical systems to detect lateral movement originating from compromised routers.

Description

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

References

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