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Vulnerability record · CVE-2022-25106 · published 4 March 2022

CVE-2022-25106: Dlink dir-859 firmware out-of-bounds write vulnerability

Dlink · Dir 859 Firmware

D-Link DIR-859 v1.05 was discovered to contain a stack-based buffer overflow via the function genacgi_main. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

5.5 CVSS 3.1 Medium EPSS 8.6% · top 5.1% CWE-787 · Out-of-bounds write
5.5CVSS 3.1 base score, v2 7.1
8.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

D-Link DIR-859 v1.05 was discovered to contain a stack-based buffer overflow via the function genacgi_main. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted payload.

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

Affected products

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

References

LinkTags
https://github.com/chunklhit/cve/blob/master/dlink/DIR859/BufferOverflow.md ExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10267 Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
https://github.com/chunklhit/cve/blob/master/dlink/DIR859/BufferOverflow.md ExploitThird Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10267 Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

Track CVE-2022-25106 inside VULONE

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Related vulnerabilities

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

9.8CVE-2024-0769D-Link DIR-859 hedwig.cgi path traversal via service argumentCVE-2024-0769 is a path traversal flaw in the HTTP POST handler of /hedwig.cgi on D-Link DIR-859 firmware 1.06B01, where the 'service' argument can b…KEVEPSS 83%analysed9.8CVE-2019-17621D-Link DIR-859 UPnP gena.cgi unauthenticated command injectionThe UPnP endpoint /gena.cgi on D-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 fails to sanitize input in an HTTP SUBSCRIBE request, allowing OS comm…KEVEPSS 90%analysed9.8CVE-2024-57045Dlink dir-859 a3 firmware improper authentication vulnerabilityA vulnerability in the D-Link DIR-859 router with firmware version A3 1.05 and earlier permits unauthorized individuals to bypass the authentication.…EPSS 32%9.8CVE-2023-36092Dlink dir-859 firmware incorrect authorization vulnerabilityAuthentication Bypass vulnerability in D-Link DIR-859 FW105b03 allows remote attackers to gain escalated privileges via via phpcgi_main. NOTE: This v…EPSS 1.7%9.8CVE-2019-20215D-Link DIR-859 ssdpcgi OS command injection via M-SEARCH urnD-Link DIR-859 firmware 1.05 and 1.06B01 Beta01 mishandle the HTTP_ST value in ssdpcgi() in /htdocs/cgibin, allowing OS command injection. The urn: s…EPSS 75%analysed9.8CVE-2019-20216Dlink dir-859 firmware os command injection vulnerabilityD-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi…EPSS 3.7%9.8CVE-2019-20217Dlink dir-859 firmware os command injection vulnerabilityD-Link DIR-859 1.05 and 1.06B01 Beta01 devices allow remote attackers to execute arbitrary OS commands via the urn: to the M-SEARCH method in ssdpcgi…EPSS 3.6%9.8CVE-2019-17508Dlink dir-859 a3 firmware os command injection vulnerabilityOn D-Link DIR-859 A3-1.06 and DIR-850 A1.13 devices, /etc/services/DEVICE.TIME.php allows command injection via the $SERVER variable.EPSS 16%

Source: NIST National Vulnerability Database (record CVE-2022-25106), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.