CVE-2020-8515Vulnerability
Multiple DrayTek Vigor Routers Web Management Page Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 2 independent sources · first reported by GreyNoise · last reported
Last reported 2 months ago
CISA KEVAdded 3 Nov 2021
Fix due 3 May 2022
Used by ransomware: not knownCISA KEV catalogue
Fix due 3 May 2022
Used by ransomware: not knownCISA KEV catalogue
EPSS100.0%
higher than 99% of CVEsFIRST EPSS, as of 26 Sep 2026
higher than 99% of CVEsFIRST EPSS, as of 26 Sep 2026
What the reports say
2 reports, newest first · the exact sentence from each-
July 2026 CVE Landscape“CVE-2020-8515”
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Amid Reports of Worldwide Reboots, GreyNoise Observes In-the-Wild Activity Against DrayTek Routers“CVE-2020-8515 — a remote code execution vulnerability in multiple DrayTek router models.”
Indicators reported together
named in the same reportsAlso named with it: CVE-2025-49113, CVE-2026-33824, CVE-2024-42009, CVE-2026-15409, CVE-2026-15410, CVE-2026-25089, CVE-2026-39808, CVE-2026-42897, CVE-2025-55182, CVE-2018-0802, CVE-2026-50522, CVE-2026-58644, CVE-2025-3248, CVE-2008-4128, CVE-2017-17215, CVE-2021-4034, CVE-2021-27137, CVE-2023-4346, CVE-2025-68686, CVE-2026-0770
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