CVE-2024-45889: n/a
Source CVE Database V5
Not known to be exploited · CVSS 8.0 High.
Data as of 26 Oct 2026, 06:26 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Nov 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 2026-10-26.
What to do
AI-suggested
1. Immediately restrict access to the management interface of DrayTek Vigor3900 routers to trusted IP addresses and networks only, preferably via VPN or secure management channels. 2. Enforce strong authentication mechanisms and regularly rotate credentials to reduce the risk of credential compromise. 3. Monitor router logs and network traffic for unusual command execution patterns or unauthorized access attempts targeting the cgi-bin/mainfunction.cgi endpoint. 4. Disable or limit the use of the vulnerable CGI functionality if possible through configuration changes until a vendor patch is available. 5. Engage with DrayTek support to obtain information on patches or firmware updates addressing CVE-2024-45889 and apply updates promptly once released. 6. Conduct regular security assessments and penetration tests focusing on router management interfaces to detect similar vulnerabilities. 7. Implement network segmentation to isolate critical infrastructure and limit the impact of compromised devices. 8. Educate network administrators about this vulnerability and the importance of vigilant access control and monitoring.
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 `commandTable.`