Unauthenticated access via direct internal URL requests
Published Feb 11, 2026 · Updated Feb 11, 2026
Authentication bypass in Shanghai ZLAN Information Technology ZLAN5143D 1.600 allows remote attackers to access protected device functions. The HTTP web interface accepts direct requests to internal URLs without enforcing its authentication gate; CISA has not disclosed the paths or handlers. No credentials or user interaction are required, but the accessible functions and resulting actions remain undisclosed, so impact beyond unauthorized access cannot be bounded further.
Summary
What happened
Authentication bypass in Shanghai ZLAN Information Technology ZLAN5143D 1.600 allows remote attackers to access protected device functions. The HTTP web interface accepts direct requests to internal URLs without enforcing its authentication gate; CISA has not disclosed the paths or handlers. No credentials or user interaction are required, but the accessible functions and resulting actions remain undisclosed, so impact beyond unauthorized access cannot be bounded further.
The record
- CVE
- CVE-2026-25084
- Published
- Feb 11, 2026
- Updated
- Feb 11, 2026
- Vendor
- Shanghai ZLAN Information Technology Co., Ltd.
- Product
- ZLAN5143D
- Classifications
- CWE-306, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 11, 2026CVE publishedPublication date reported by the CVE source.
- Feb 11, 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?
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- Affected versionversion=v1.600
What conditions does exploitation require?
What is affected?
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.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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