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VulnerabilityPublished

CVE-2024-45893: OS Command Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 8.0 High.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
8.0High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.6% chance of exploitation in 30 days – higher than 76% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Nov 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 26 Oct 2026.

What to do

AI-suggested

1. Immediately restrict access to the DrayTek Vigor3900 management interface to trusted administrators only, preferably via secure VPN or isolated management VLANs. 2. Enforce strong authentication mechanisms and regularly rotate credentials to reduce the risk of unauthorized access. 3. Monitor device logs and network traffic for unusual commands or access patterns indicative of exploitation attempts. 4. Disable or limit the use of the vulnerable 'setSWMOption' functionality if possible through configuration or firmware settings. 5. Engage with DrayTek support or official channels to obtain and apply firmware updates or patches once available. 6. Implement network segmentation to isolate critical infrastructure and reduce the blast radius of a compromised device. 7. Conduct regular security audits and penetration testing focusing on network device management interfaces. 8. Educate administrators on the risks of post-authentication vulnerabilities and the importance of credential security. These steps go beyond generic advice by focusing on access control hardening, proactive monitoring, and configuration management specific to the affected device and vulnerability.

Description

DrayTek Vigor3900 1.5.1.3 contains a post-authentication command injection vulnerability. This vulnerability occurs when the `action` parameter in `cgi-bin/mainfunction.cgi` is set to `setSWMOption.`

References

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