/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection…
Priority HIGH 65CWE-78Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- 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 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
/jsonrpc on D-Link DIR-841 3.03 and 3.04 devices allows authenticated command injection via ping, ping6, or traceroute (under System Tools).
Why it matters now
EPSS 0.47324 98th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dir-841_firmware:3.03:*:*:*:*:*:*:* | 3.03 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dir-841_firmware:3.04:*:*:*:*:*:*:* | 3.04 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dir-841:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dir-841_firmware:3.03:*:*:*:*:*:*:* Versions 3.03 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dir-841_firmware:3.04:*:*:*:*:*:*:* Versions 3.04 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dir-841:-:*:*:*:*:*:*:* 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-2021-28143
- 2026-10-03 Alias added: GHSA-6fqw-cvh4-899x
References
More D-Link Japan K.K. Dir-841 Firmware vulnerabilities
- TI-2024-00658 D-Link Good Line Router v2 HTTP GET Request devinfo information disclosure CVSS 3.1MEDIUM 5.3
Sources
- CVE-2021-28143 · CVE Program
- CVE-2021-28143 · NVD
- FIRST EPSS
- GHSA-6fqw-cvh4-899x · 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