CVE-2020-27863

Name: CVE-2020-27863
Creator: NVD / NIST
Published: 2021-02-12T00:15:12.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2020-27863 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.99%

58.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dva-2800 Firmware	2.30_au
Dlink	Dsl-2888a Firmware	2.30_au

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1427/Third Party Advisory, VDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1427/Third Party Advisory, VDB Entry

Timeline

Published: Feb 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27863?

How severe is CVE-2020-27863?

CVE-2020-27863 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27863?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST