CVE-2026-27519Network attack vector

Protected-value disclosure via exposed static RC4 key

Published Feb 24, 2026 · Updated Feb 24, 2026

Cryptographic key exposure in Binardat 10G08-0800GSM firmware V300SP10260209 and earlier allows remote attackers to decrypt protected values. Client-side JavaScript embeds one static RC4 key and applies the broken stream cipher to values intended to remain confidential. Network access to the web management interface exposes the key, enabling confidentiality loss without authentication or user interaction.

CVSS severity8.7
High
EPSS probability0.19%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cryptographic key exposure in Binardat 10G08-0800GSM firmware V300SP10260209 and earlier allows remote attackers to decrypt protected values. Client-side JavaScript embeds one static RC4 key and applies the broken stream cipher to values intended to remain confidential. Network access to the web management interface exposes the key, enabling confidentiality loss without authentication or user interaction.

The record

CVE
CVE-2026-27519
Published
Feb 24, 2026
Updated
Feb 24, 2026
Vendor
Binardat
Product
10G08-0800GSM Network Switch
Classifications
CWE-321, CWE-327
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 24, 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 <=V300SP10260209

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Binardat · 10G08-0800GSM Network Switchversion=0 <=V300SP10260209

Published CVSS scores

8.7VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5OSVCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 11, 2026Sep 17, 2026
Latest reporting daySep 17, 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
CWE-327Use of a Broken or Risky Cryptographic Algorithm

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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