An issue was discovered in D-Link DIR-806 devices.
Priority MEDIUM 46CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.
Why it matters now
EPSS 0.02289 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-806_firmware:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-806:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-806_firmware:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-806:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10892
- 2026-10-03 Alias added: GHSA-4xmx-7cpg-77rh
References
More D-Link Japan K.K. Dir-806 Firmware vulnerabilities
- TI-2019-08112 An issue was discovered in D-Link DIR-806 devices. CVSS 3.1CRITICAL 9.8
- TI-2025-03869 D-Link DIR-890L/DIR-806A1 soap.cgi sub_175C8 command injection CVSS 4.0MEDIUM 5.3
- TI-2023-23107 D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection. CVSS 3.1CRITICAL 9.8
- TI-2023-23106 D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command… CVSS 3.1CRITICAL 9.8
- TI-2023-23105 D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-10892 · CVE Program
- CVE-2019-10892 · NVD
- FIRST EPSS
- GHSA-4xmx-7cpg-77rh · GitHub Advisory Database · CC BY 4.0
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