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CVE-2024-51301VulnerabilityPublished

CVE-2024-51301: n/a

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 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 2026-10-25.

What to do

AI-suggested

1. Immediately restrict access to the router's management interface (mainfunction.cgi) to trusted IP addresses only, ideally via VPN or internal network segments. 2. Disable or limit the packet_monitor functionality if not required, to reduce the attack surface. 3. Implement network segmentation to isolate critical network infrastructure devices from general user networks. 4. Monitor router logs and network traffic for unusual commands or spikes in activity related to the mainfunction.cgi endpoint. 5. Apply any available firmware updates or patches from Draytek as soon as they are released. 6. If patches are not yet available, consider deploying web application firewalls (WAFs) or intrusion prevention systems (IPS) with custom rules to detect and block command injection attempts targeting the packet_monitor function. 7. Conduct regular security assessments and penetration tests focusing on network infrastructure devices to identify similar vulnerabilities. 8. Educate network administrators about this vulnerability and enforce strong authentication and access control policies for device management.

Description

In Draytek Vigor3900 1.5.1.3, attackers can inject malicious commands into mainfunction.cgi and execute arbitrary commands by calling the packet_monitor function.

References

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