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CVE-2020-8515: Multiple DrayTek Vigor Routers Web Management Page Vulnerability

criticalknown exploitedpublic exploitCVE-2020-8515
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.

CSIRTS triage

vendor: DrayTekproduct: Vigor3900, Vigor2960, Vigor300BRemote code execution
What
An unspecified vulnerability in the web management page allows for remote code execution.
Who is affected
Users of DrayTek Vigor3900, Vigor2960, and Vigor300B routers are affected.
Urgency
Immediate action is required as the vulnerability is actively exploited and rated critical.
Action
Apply the latest firmware update from DrayTek.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-8515

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-8515coverage & exploitation statusNVD · CVE.org

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