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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-45890

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 `download_ovpn.`

HIGH 8.0EPSS 2.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 `download_ovpn.`

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.14% probability · 82th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
draytek/vigor3900 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.14%27 October 202627 October 2026

EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.