CVE-2018-17787

9.8 criticalEPSS 3.7%

Critical (9.8) in d-link dir-823g firmware. EPSS 3.7% chance of exploitation in the next 30 days.

On D-Link DIR-823G devices, the GoAhead configuration allows /HNAP1 Command Injection via shell metacharacters in the POST data, because this data is sent directly to the "system" library function.

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: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWE: CWE-78
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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