CVE-2015-10148Network attack vector

Management interception via shared SSH and SSL keys

Published Apr 3, 2026 · Updated Apr 3, 2026

Hard-coded keys in Belden Hirschmann HiLCOS devices allow remote attackers to intercept SSH and HTTPS management traffic. Factory images ship identical SSH host key pairs and SSL private keys, so different devices can present the same cryptographic identity. Reachability requires an interception position and a device without individual keys or a certificate, enabling impersonation and sensitive-data disclosure.

CVSS severity8.8
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Hard-coded keys in Belden Hirschmann HiLCOS devices allow remote attackers to intercept SSH and HTTPS management traffic. Factory images ship identical SSH host key pairs and SSL private keys, so different devices can present the same cryptographic identity. Reachability requires an interception position and a device without individual keys or a certificate, enabling impersonation and sensitive-data disclosure.

The record

CVE
CVE-2015-10148
Published
Apr 3, 2026
Updated
Apr 3, 2026
Vendor
Belden Inc.
Product
Hirschmann HiLCOS
Classifications
CWE-321, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=8.60
  2. Affected versionversion=0 <=8.80
  3. Affected versionversion=0 <=9.00-RU1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Belden Inc. · Hirschmann HiLCOSversion=0 <=8.60; version=0 <=8.80; version=0 <=9.00-RU1

Published CVSS scores

8.8VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
8.2VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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