CVE-2018-17786

9.8 criticalEPSS 4.1%

Critical (9.8) in d-link dir-823g firmware. EPSS 4.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 4.1% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2018-10-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

d-link:dir-823g_firmware

References

https://xz.aliyun.com/t/2834
https://xz.aliyun.com/t/2834

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