Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dva-2800 Firmware | 2.30_au |
| Dlink | Dva-2800 | revision_t |
| Dlink | Dsl-2888A Firmware | 2.30_au |
| Dlink | Dsl-2888A | revision_t |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1426/Third Party AdvisoryVDB Entry
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1426/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2020-27862?
CVE-2020-27862 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 vulner...
How severe is CVE-2020-27862?
CVE-2020-27862 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27862?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dva-2800 Firmware, Dlink Dva-2800, Dlink Dsl-2888A Firmware, Dlink Dsl-2888A.