An issue was discovered in D-Link DIR-806 devices.
Priority HIGH 82CWE-78Published · 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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.
Summary
An issue was discovered in D-Link DIR-806 devices. There is a command injection in function hnap_main, which calls system() without checking the parameter that can be controlled by user, and finally allows remote attackers to execute arbitrary shell commands with a special HTTP header.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.19442 97th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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:-:*:*:*:*:*:*:* | not specified by NVD | 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:-:*:*:*:*:*:*:* Versions not specified by NVD 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-2019-10891
- 2026-10-03 Alias added: GHSA-frjj-4mjw-3gmf
References
More D-Link Japan K.K. Dir-806 Firmware vulnerabilities
- 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
- TI-2019-08113 An issue was discovered in D-Link DIR-806 devices. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2019-10891 · CVE Program
- CVE-2019-10891 · NVD
- FIRST EPSS
- GHSA-frjj-4mjw-3gmf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences