DrayTek Vigor3900 v1.5.1.6 was discovered to contain an authenticated command injection vulnerability via the value parameter in the filter…

published 2024-09-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-41123

cvss: 8.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.0%; EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

DrayTek Vigor3900 v1.5.1.6 was discovered to contain an authenticated command injection vulnerability via the value parameter in the filter_string function.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-09-09)

Exploit prediction

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/3okfc/IOT-VUL-WP/blob/main/DaryTek/vigor3900_2.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.0	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.0	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

draytek vigor3900_firmware

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /3okfc/IOT-VUL-WP/blob/main/DaryTek/vigor3900_2.md
exploit

Sources

CVE List CVE-2024-44845
NVD CVE-2024-44845

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary