What’s Vulnerable › Vulnerabilities

CVE-2020-27862

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-12 · updated 2026-06-17
• Weakness: CWE-77

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. When parsing the path parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-10911.

Affected products

• Dlink Dsl-2888A Firmware: 2.30_au
• Dlink Dva-2800 Firmware: 2.30_au

References

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196
• https://www.zerodayinitiative.com/advisories/ZDI-20-1426/
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196
• https://www.zerodayinitiative.com/advisories/ZDI-20-1426/

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