CRITICALCVSS 9.8Actively exploited · CISA KEV since 2024-09-30Vulnerability

CVE-2020-15415

DrayTek Vigor3900, Vigor2960, and Vigor300B devices contain an OS command injection vulnerability in cgi-bin/mainfunction.cgi/cvmcfgupload that allows for remote code execution via shell metacharacters in a filename when the text/x-python-script content type is used.

Properties

Vulnerability name
DrayTek Multiple Vigor Routers OS Command Injection Vulnerability
First seen
2025-10-21T23:35:41+00:00
Cvss score
9.8
Epss score
0.8448
Last seen
2026-10-19T12:00:27+00:00
Due date
2024-10-21
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2024-09-30T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2024-09-30
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor project
DrayTek

Related Entities (9)

AFFECTS_PRODUCT (6)

→[Product]cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

INVOLVES (1)

←[Signal]kev_added · 2024-09-30

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CVE-2020-15415 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal