PT-2026-29892 · Hirschmann · Hirschmann Hios

Published 2026-04-02 · Updated 2026-04-03 · CVE-2024-14034

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Hirschmann HiEOS devices versions prior to 01.1.00

Description Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass in the HTTP(S) management module. Attackers can gain administrative access by sending specially crafted HTTP(S) requests. Improper authentication handling allows attackers to obtain elevated privileges and perform unauthorized actions, including configuration download or upload and firmware modification.

Recommendations Update to version 01.1.00 or later.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2024-14034

Affected Products

Hirschmann Hios

References · 6

• https://assets.belden.com/m/7ec5c6da25ef288/original/Belden_Security_Bulletin_BSECV-2024-02_1v0.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-14034 · Security Note
• https://twitter.com/CveFindCom/status/2039828510731088241 · Twitter Post
• https://vulncheck.com/advisories/hirschmann-hieos-authentication-bypass-via-http-management-module · Note
• https://twitter.com/CVEnew/status/2040128761211855074 · Twitter Post
• https://twitter.com/0dayPublishing/status/2039801139453997083 · Twitter Post