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Vulnerabilities

Vulnerability · CVE-2025-55895

TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control.

Published Dec 15, 2025 · catalog updated Oct 14, 2026 · a3300r firmware

Check if you run it

No confirmed exploitation is on record for CVE-2025-55895. EPSS is 0.34%. Act only if a listed version of a3300r firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Not established
Affected products
cpe totolink/a3300r firmware · cpe totolink/n200re firmware

TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe totolink/a3300r firmware17.0.0cu.557_b20221024
  • cpe totolink/n200re firmware9.3.5u.6437_b20230519

How to fix CVE-2025-55895

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-55895. EPSS is 0.34%. Act only if a listed version of a3300r firmware is installed.

Which versions are affected?

Compare what you have installed with totolink/a3300r firmware 17.0.0cu.557_b20221024; totolink/n200re firmware 9.3.5u.6437_b20230519. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 15, 2025 · NIST NVD

    Detected

    TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

  2. Oct 14, 2026 · NIST NVD

    Updated

    TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

Sources

  • CVE.orgVulnerability recordCVE-2025-55895

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-55895

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2025-55895

    TOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Attackers can send payloads to the interface without logging in (remote).

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.