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VulnerabilityPublished Updated

CVE-2024-14034: Belden Hirschmann HiEOS LRS11 · Improper Authentication

Affects Belden Hirschmann HiEOS LRS11Source CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical : upgrade to 01.1.00 as a priority.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.

Contested

Critical score, yet low EPSS after six months
EPSS
0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 01.1.00
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Belden Hirschmann HiEOS LRS11 to 01.1.00.

Affected software

ProductAffectedFixed in
BeldenHirschmann HiEOS LRS11Affected
  • <01.1.00
Fixed in
  • 01.1.00

AI-suggested

If you cannot patch yet, restrict network access to the management interface to trusted administrators only and monitor for unusual HTTP(S) requests targeting the device. Avoid exposing the management interface to untrusted networks.

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.

References

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