CVE-2016-6563
D-Link DIR routers contain a stack-based buffer overflow in the HNAP Login action
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 for the CVE license. View the record on cve.org
Key data
EPSS
- Score
- 0.79735 (79.7% probability)
- Percentile
- 99.6%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
Weakness (CWE)
- CWE-121Stack-based Buffer Overflow
Affected products
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
- 40805 (exploit-db.com)exploit
- VU#677427 (kb.cert.org)third-party-advisory
- 94130 (securityfocus.com)vdb-entry
- 20161107 [CVE-2016-6563 / VU#677427]: Dlink DIR routers HNAP Login stack buffer overflow (seclists.org)mailing-list
Timeline
- ID reserved
- Record published
- Record last updated
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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, 19:45 UTC. Sources and licenses