CVE-2024-14034
Critical
Description
Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification.
SeverityCritical
CVSS9.8
Exploit probability—
ProductHirschmann HiEOS LRS11
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- Belden Hirschmann HiEOS LRS1101.1.00 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Belden Hirschmann HiEOS LRS11 | v < 01.1.00 | 01.1.00 |
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