CVE Tools
Sign in

CVE-2020-15633

Published: Jul 23, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-288
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.8%
Top 15.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-288

Affected Products

dir-867 firmwared-linkNetworking Infrastructure
dir-878 firmwared-linkNetworking Infrastructure
dir-882 firmwared-linkNetworking Infrastructure
DIR-878D-Link Corp.Networking Infrastructure
DIR-867D-Link Corp.Networking Infrastructure
d-linkcommercialTWNetworking Infrastructure
d-link corp.commercialTWNetworking Infrastructureaka d-link corporation, d-link international
and 2 more affected products View all →

Exploitability

Official Patch Available

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10186
supportannouncement.us.dlink.com
https://www.zerodayinitiative.com/advisories/ZDI-20-881/
zerodayinitiative.com
https://supportannouncement.us.dlink.com/announcement/publication.aspx?nameSAP10186
supportannouncement.us.dlink.com

Timeline

Published
Jul 23, 2020
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2020-15633 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows