CVE-2020-27865 - CVE House
Back to Database
Status published High CVE-2020-27865

This vulnerability allows network-adjacent attackers to execute arbitrary code on...

Vulnerability Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1860 firmware version 1.04B03 WiFi extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the uhttpd service, which listens on TCP port 80 by default. 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 device. Was ZDI-CAN-10894.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-27865

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • chung96vn of Vietnam Cyber Security Center

References

More from D-Link

View All →
CVE-2025-9938
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
High 8.7
CVE-2025-9769
D-Link DI-7400G+ mng_platform.asp sub_478D28 command injection
Low 2.4
CVE-2025-9752
D-Link DIR-852 SOAP Service soap.cgi soapcgi_main os command injection
Medium 6.9
CVE-2025-9745
D-Link DI-500WF jhttpd version_upgrade.asp os command injection
Medium 5.1
CVE-2025-9727
D-Link DIR-816L soap.cgi soapcgi_main os command injection
Medium 5.3

Affected Vendor

Affected Software

DAP-1860
Vulnerable Versions:
firmware version 1.04B03

Timeline

Official Publish: February 11th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-288

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Privilege Escalation