CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2020-8515

DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.

Properties

Vulnerability name
Multiple DrayTek Vigor Routers Web Management Page Vulnerability
First seen
2025-10-21T23:35:52+00:00
Cvss score
9.8
Epss score
0.99993
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
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 (13)

AFFECTS_PRODUCT (8)

→[Product]cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor300b_firmware:1.3.3:beta:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor300b_firmware:1.4.4:beta:*:*:*:*:*:*
→[Product]cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor3900_firmware:1.4.4:beta:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor2960_firmware:1.3.1:beta:*:*:*:*:*:*
→[Product]cpe:2.3:o:draytek:vigor300b_firmware:1.4.2.1:beta:*:*:*:*:*:*
→[Product]cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:*

MENTIONED_IN (2)

→[Campaign]Botnet Rising Star: The Evolution and In-Depth Technical Analysis of Dysphoria
→[Campaign]Inside an IoT Botnet Framework With LLM-Assisted Development

DESCRIBES (1)

←[KEVEntry]Multiple DrayTek Vigor Routers Web Management Page Vulnerability

HAS_WEAKNESS (1)

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

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2020-8515 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal