ZDI-20-1427: D-Link Multiple Routers dhttpd Authentication Bypass Vulnerability
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| D-Link Multiple Routers |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-20-1427?
The severity of ZDI-20-1427 is classified as critical due to its ability to allow network-adjacent attackers to disclose sensitive information.
How do I fix ZDI-20-1427?
To fix ZDI-20-1427, users should update their D-Link DVA-2800 and DSL-2888A routers to the latest firmware provided by D-Link.
Which devices are affected by ZDI-20-1427?
ZDI-20-1427 impacts D-Link DVA-2800 and DSL-2888A routers, among other affected models.
Does ZDI-20-1427 require authentication to exploit?
No, ZDI-20-1427 can be exploited without any authentication, making it a significant risk.
What type of information can be disclosed by exploiting ZDI-20-1427?
Exploiting ZDI-20-1427 can disclose sensitive information such as configuration details and potentially user data.
- agent/references
- agent/type
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-1427
- alias/ZDI-CAN-10912
- alias/CVE-2020-27863
- agent/software-canonical-lookup
- agent/title
- agent/severity
- agent/tags
- agent/event
- agent/description
- agent/source
- vendor/d-link
- canonical/d-link multiple routers