CVEvulnerability
CVE-2022-30521
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-06-02
- 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
The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions. The function created at 0x17958 of /htdocs/cgibin will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users easily. The attackers can exploit the vulnerability to carry out arbitrary code by means of sending a specially constructed payload to port 49152.
Affected configurations
• dlink dir-890l firmware (<= 1.07b09)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.md Exploit, Third Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L github.com
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.md Exploit, Third Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L github.com
- https://www.dlink.com/en/security-bulletin/ Vendor Advisory