CVE-2016-6563

HighPublished

D-Link DIR routers contain a stack-based buffer overflow in the HNAP Login action

Published: Jul 13, 2018
Updated: Aug 6, 2024
Assigning CNA: certcc
Evidence observed: Nov 21, 2016

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

79.7%

High · next 30 days

Percentile: 99.6%
Model date: Oct 15, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers. The vulnerable XML fields within the SOAP body are: Action, Username, LoginPassword, and Captcha. The following products are affected: DIR-823, DIR-822, DIR-818L(W), DIR-895L, DIR-890L, DIR-885L, DIR-880L, DIR-868L, and DIR-850L.

Sources

Repository evidence: Files: 1 · Repositories: 1

1 Module

Dlink DIR Routers Unauthenticated HNAP Login Stack Buffer OverflowModule
modules/exploits/linux/http/dlink_hnap_login_bof.rb
Metasploit Framework modules
ExploitEvidence observed: Sep 26, 2026Revision: 1757aa9a085bRelated tool
Declared conditions
- platform: Linux($.exploit_linux/http/dlink_hnap_login_bof.platform)
- verification: check_declared($.exploit_linux/http/dlink_hnap_login_bof.check)

D-Link DIR-Series Routers - HNAP Login Stack Buffer Overflow (Metasploit)Exploit
Metasploit · multiple · Nov 21, 2016

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