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Vulnerabilities

Vulnerability · CVE-2025-52907

TOTOLINK x6000r_firmware Improper Input Validation

Published Aug 17, 2026 · catalog updated Aug 17, 2026 · TOTOLINK

Patch now

CVE-2025-52907 is in the CISA known-exploited catalog. Confirm TOTOLINK against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.85%
Remediation
Remediation guidance
Affected products
vendor TOTOLINK x6000r_firmware

Improper Input Validation vulnerability in TOTOLINK X6000R allows Command Injection, File Manipulation.This issue affects X6000R: through V9.4.0cu.1360_B20241207.

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.

  • vendor TOTOLINK x6000r_firmwareversion unspecified

How to fix CVE-2025-52907

What to do

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

Should you patch?

CVE-2025-52907 is in the CISA known-exploited catalog. Confirm TOTOLINK against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.85%. The CISA KEV listing is the exploitation evidence. 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. Aug 17, 2026 · VulnCheck KEV

    Detected

    Improper Input Validation vulnerability in TOTOLINK X6000R allows Command Injection, File Manipulation.This issue affects X6000R: through V9.4.0cu.1360_B20241207.

  2. Aug 17, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-52907

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-52907

    30-day exploitation probability 0.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2025-52907

    Improper Input Validation vulnerability in TOTOLINK X6000R allows Command Injection, File Manipulation.This issue affects X6000R: through V9.4.0cu.1360_B20241207.

    vulncheck.com

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.