CVE-2025-55895Public exploitNetwork attack vector

Unauthenticated data access via undisclosed interface

Published Dec 15, 2025 · Updated Dec 15, 2025

Incorrect access control in TOTOLINK A3300R and N200RE firmware allows remote attackers to read or alter router data without authentication. The public disclosure identifies only an unspecified remote interface that accepts attacker payloads without login; it does not name the handler or omitted access-control operation. The affected releases are A3300R 17.0.0cu.557_B20221024 and N200RE 9.3.5u.6448_B20240521 and 9.3.5u.6437_B20230519; no service interruption is reported.

CVSS severity9.1
Critical
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect access control in TOTOLINK A3300R and N200RE firmware allows remote attackers to read or alter router data without authentication. The public disclosure identifies only an unspecified remote interface that accepts attacker payloads without login; it does not name the handler or omitted access-control operation. The affected releases are A3300R 17.0.0cu.557_B20221024 and N200RE 9.3.5u.6448_B20240521 and 9.3.5u.6437_B20230519; no service interruption is reported.

The record

CVE
CVE-2025-55895
Published
Dec 15, 2025
Updated
Dec 15, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.

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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 exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1190Exploit Public-Facing Application

Public exploit references

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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