On D-Link DIR-823G devices, ExportSettings.sh, upload_settings.cgi, GetDownLoadSyslog.sh…
Priority MEDIUM 49CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-287.
Summary
On D-Link DIR-823G devices, ExportSettings.sh, upload_settings.cgi, GetDownLoadSyslog.sh, and upload_firmware.cgi do not require authentication, which allows remote attackers to execute arbitrary code.
Why it matters now
EPSS 0.04115 90th 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:d-link:dir-823g_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | D-Link |
| cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:d-link:dir-823g_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·D-Link
- cpe:2.3:h:dlink:dir-823g:-:*:*:*:*:*:*:* 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-2018-17786
- 2026-10-03 Alias added: GHSA-ff4r-qf8v-wjf5
References
Exploit 1
More D-Link Dir-823g Firmware vulnerabilities
- TI-2019-05186 An issue was discovered on D-Link DIR-823G devices with firmware through 1.02B03. CVSS 3.0CRITICAL 9.8
- TI-2018-12660 On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via… CVSS 3.0CRITICAL 9.8
- TI-2018-12715 On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1… CVSS 3.0CRITICAL 9.8
- TI-2018-12714 On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot… CVSS 3.0HIGH 7.5
Sources
- CVE-2018-17786 · CVE Program
- CVE-2018-17786 · NVD
- FIRST EPSS
- GHSA-ff4r-qf8v-wjf5 · 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