What is CVE-2018-17787?

CVE-2018-17787 is a critical-severity vulnerability in D-link Dir-823g_firmware, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-10-02.

How severe is CVE-2018-17787?

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

RCE in D-link Dir-823g_firmware

CVE-2018-17787

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.037 (88.5th 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-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2018-17787?: CVE-2018-17787 is a critical-severity vulnerability in D-link Dir-823g_firmware, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-10-02.
How severe is CVE-2018-17787?: Critical severity. CVSS v3 base score is 9.8 out of 10.