CVE-2020-27863 — MEDIUM (6.5)

Vulnerability Description

This vulnerability allows network-adjacent attackers to disclose sensitive information 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. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

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)

CWE-287 CWE-288

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1427/Third Party AdvisoryVDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1427/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-27863?

CVE-2020-27863 is a vulnerability with a CVSS score of 6.5 (MEDIUM). This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit thi...

How severe is CVE-2020-27863?

CVE-2020-27863 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27863?

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.