high8.8
CVE-2021-34863
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers.
Impact
This 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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dlink | Dap-2020 Firmware | through 1.01 |
Weakness classification
References
- NVD record
- CVE.org record
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201
- https://www.zerodayinitiative.com/advisories/ZDI-21-979/
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201
- https://www.zerodayinitiative.com/advisories/ZDI-21-979/