CVE-2026-4227CWE-119CWE-120
LB-LINK BL-WR9000 get_hidessid_cfg sub_44D844 buffer overflow
High · published March 16, 2026
What it is
A security vulnerability has been detected in LB-LINK BL-WR9000 2.4.9. The impacted element is the function sub_44D844 of the file /goform/get_hidessid_cfg. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
The record
Technical detail
- CVSS v4.0
- 8.7 · HIGH
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- EPSS
- 0.01150 · 66.6th percentile
- Weaknesses
- CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
- Published
- 2026-03-16T08:02Z
EPSS history
Timeline