CriticalCVECISA — Known Exploited Vulnerabilities· 29 Jun 2023

CVE-2019-17621 — D-Link DIR-859 Router Command Execution Vulnerability

Severity: Critical · Kind: Vulnerability

Plain-English summary on the way

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From the source

D-Link DIR-859 Router. D-Link DIR-859 router contains a command execution vulnerability in the UPnP endpoint URL, /gena.cgi. Exploitation allows an unauthenticated remote attacker to execute system commands as root by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service when connecting to the local network. Required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Vulnerability facts

CVE: CVE-2019-17621
On CISA KEV since: 2023-06-29
Ransomware use: Unknown

Read the original advisory →← All threat intel

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.