CVE-2022-30521
CRITICALD-Link DIR-890L Firmware < 1.07b09 - Stack-based Buffer Overflow via HTTP Header
Title source: llmDescription
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 (3)
Core 3
Core References
Exploit, Third Party Advisory
https://github.com/winmt/CVE/blob/main/DIR-890L/README.md
Vendor Advisory
https://www.dlink.com/en/security-bulletin/
Various Sources
https://github.com/winmt/my-vuls/tree/main/DIR-890L
Scores
CVSS v3
9.8
EPSS
0.0176
EPSS Percentile
82.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
dlink/dir-890l_firmware
< 1.07b09
Published
Jun 02, 2022
Tracked Since
Feb 18, 2026