CVEvulnerability
CVE-2021-33274
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-12-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.
Affected configurations
• dlink dir-809 firmware (<= 1.12wwb03)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln07 Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln07 Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory