his vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:page parameter provided to the webproc endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13271.
| Link | Resource |
|---|---|
| https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 | Patch Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-21-979/ | Third Party Advisory VDB Entry |
| https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 | Patch Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-21-979/ | Third Party Advisory VDB Entry |
Configuration 1 (hide)
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21 Nov 2024, 06:11
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 - Patch, Vendor Advisory | |
| References | () https://www.zerodayinitiative.com/advisories/ZDI-21-979/ - Third Party Advisory, VDB Entry |
Published : 2021-10-25 17:15
Updated : 2024-11-21 06:11
NVD link : CVE-2021-34863
Mitre link : CVE-2021-34863
CVE.ORG link : CVE-2021-34863
JSON object : View
Stack-based Buffer Overflow