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Vulnerability record · CVE-2020-10214 · published 7 March 2020

CVE-2020-10214: Dlink dir-825 firmware out-of-bounds write vulnerability

Dlink · Dir 825 Firmware

An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. There is a stack-based buffer overflow in the httpd binary. It allows an authenticated user to execute arbitrary code via a POST to ntp_sync.cgi with a sufficiently long parameter ntp_server.

8.8 CVSS 3.1 High EPSS 18% · top 2.9% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 9.0
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. There is a stack-based buffer overflow in the httpd binary. It allows an authenticated user to execute arbitrary code via a POST to ntp_sync.cgi with a sufficiently long parameter ntp_server.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/kuc001/IoTFirmware/blob/master/D-Link/vulnerability4.md ExploitThird Party Advisory
https://github.com/kuc001/IoTFirmware/blob/master/D-Link/vulnerability4.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-10214), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.