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Vulnerabilities

Vulnerability · CVE-2025-5504

TOTOLINK x2000r_firmware Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Published Jun 3, 2025 · catalog updated Oct 9, 2025 · Totolink X2000R

Patch now

CVE-2025-5504 is in the CISA known-exploited catalog. Confirm Totolink X2000R against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium5.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
13.20%
Remediation
Remediation guidance
Affected products
vendor TOTOLINK x2000r_firmware · vendor Totolink X2000R 1.0.0-B20230726.1108

A vulnerability has been found in TOTOLINK X2000R 1.0.0-B20230726.1108 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWsc. The manipulation of the argument peerRptPin leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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 x2000r_firmwareversion unspecified
  • vendor Totolink X2000R 1.0.0-B20230726.11081.0.0-B20230726.1108

How to fix CVE-2025-5504

What to do

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

Should you patch?

CVE-2025-5504 is in the CISA known-exploited catalog. Confirm Totolink X2000R against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Totolink X2000R 1.0.0-B20230726.1108 1.0.0-B20230726.1108. 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 13.20%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 9, 2025 · VulnCheck KEV

    Detected

    A vulnerability has been found in TOTOLINK X2000R 1.0.0-B20230726.1108 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWsc. The manipulation of the argument peerRptPin leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did

  2. Oct 9, 2025 · 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-2025-5504

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-5504

    30-day exploitation probability 13.2%

    first.org
  • EUVDVulnerability recordEUVD-2025-16745

    A vulnerability has been found in TOTOLINK X2000R 1.0.0-B20230726.1108 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWsc. The manipulation of the argument peerRptPin leads to command injection. The attack can be initiated remotely. Th

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-5504

    A vulnerability has been found in TOTOLINK X2000R 1.0.0-B20230726.1108 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWsc. The manipulation of the argument peerRptPin leads to command injection. The attack can be initiated remotely. Th

    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.