What is CVE-2018-17786?

CVE-2018-17786 is a critical-severity vulnerability in D-link Dir-823g_firmware, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-10-02.

How severe is CVE-2018-17786?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in D-link Dir-823g_firmware

CVE-2018-17786

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.

Vulnerability class: Broken Authentication

EPSS: 0.041 (89.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

D-link Dir-823g_firmware
Dlink Dir-823g
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17786?: CVE-2018-17786 is a critical-severity vulnerability in D-link Dir-823g_firmware, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-10-02.
How severe is CVE-2018-17786?: Critical severity. CVSS v3 base score is 9.8 out of 10.