Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-890L Firmware | <= 1.07b09 |
| Dlink | Dir-890L | - |
Related Weaknesses (CWE)
References
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.mdExploitThird Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/winmt/CVE/blob/main/DIR-890L/README.mdExploitThird Party Advisory
- https://github.com/winmt/my-vuls/tree/main/DIR-890L
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
FAQ
What is CVE-2022-30521?
CVE-2022-30521 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 a...
How severe is CVE-2022-30521?
CVE-2022-30521 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-30521?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-890L Firmware, Dlink Dir-890L.