CVE-2022-30521

9.8CRITICAL

Key Information:

Vendor
D-Link
Status
Dir-890l Firmware
Vendor
CVE Published:
2 June 2022

Summary

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.

References

https://www.dlink.com/en/security-bulletin/
https://github.com/winmt/CVE/blob/main/DIR-890L/README.md
https://github.com/winmt/my-vuls/tree/main/DIR-890L

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.