CVE-2021-34863
Summary
| CVE | CVE-2021-34863 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-25 17:15:00 UTC |
| Updated | 2023-04-26 19:27:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: CWE-121
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | D-link | Dap-2020 | All | All | All | All |
| Operating System | D-link | Dap-2020 Firmware | All | All | All | All |
| Hardware | Dlink | Dap-2020 | All | All | All | All |
| Operating System | Dlink | Dap-2020 Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| ZDI-21-979 | Zero Day Initiative | N/A | www.zerodayinitiative.com | |
| D-Link Technical Support | N/A | supportannouncement.us.dlink.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.