---
title: "CVE-2016-6563: D-Link DIR routers contain a stack-based… | CubePath"
description: "Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack in some D-Link DIR routers…"
language: en
source: https://cubepath.com/security/cve/CVE-2016-6563
---

# CVE-2016-6563: D-Link DIR routers contain a stack-based… | CubePath

## Description

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.

Official description from the CVE record, published by certcc. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-6563)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.79735 (79.7% probability)

Percentile

99.6%

Scores of

Nov 10, 2026

Model

v2026.06.15

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-121](https://cwe.mitre.org/data/definitions/121.html) Stack-based Buffer Overflow

## Affected products

Products listed in the CVE record, as the CNA published them.

- D-Link DIR-823

  - unknown: N/A
- D-Link DIR-822

  - unknown: N/A
- D-Link DIR-818L(W)

  - unknown: N/A
- D-Link DIR-895L

  - unknown: N/A
- D-Link DIR-890L

  - unknown: N/A
- D-Link DIR-885L

  - unknown: N/A
- D-Link DIR-880L

  - unknown: N/A
- D-Link DIR-868L

  - unknown: N/A
- D-Link DIR-850L

  - unknown: N/A

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [40805](https://www.exploit-db.com/exploits/40805/)  (exploit-db.com) exploit
- [VU#677427](https://www.kb.cert.org/vuls/id/677427)  (kb.cert.org) third-party-advisory
- [94130](http://www.securityfocus.com/bid/94130)  (securityfocus.com) vdb-entry
- [20161107 \[CVE-2016-6563 / VU#677427\]: Dlink DIR routers HNAP Login stack buffer overflow](http://seclists.org/fulldisclosure/2016/Nov/38)  (seclists.org) mailing-list

## Timeline

1. ID reserved Aug 3, 2016
2. Record published Jul 13, 2018
3. Record last updated Aug 6, 2024

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:57 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)