PT-2026-30262 · Undefined · Undefined

CVE-2018-25236 · Published 2026-04-03 · Updated 2026-07-21

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 HiOS and HiSecOS RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE (affected versions not specified)

Description An authentication bypass exists in the HTTP(S) management module. This issue allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP requests. The flaw stems from improper authentication handling, enabling an attacker to assume the authentication status and privileges of a previously authenticated user without providing valid credentials.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2018-25236

Affected Products

Undefined

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-25236 · Security Note
• https://assets.belden.com/m/52ecadbb5f1b0e04/original/Security-Bulletin-Web-Server-Authentication-Bypass-HiOS-HiSecOS-Hirschmann-BSECV-2018-05.pdf · Note
• https://vulncheck.com/advisories/hirschmann-hios-hisecos-authentication-bypass-via-http-management · Note
• https://t.me/cveNotify/208455 · Telegram Post