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Vulnerabilities

Vulnerability · CVE-2022-26187

TOTOLINK n600r_firmware Improper Neutralization of Special Elements used in a Command ('Command Injection')

Published Apr 21, 2025 · catalog updated Apr 21, 2025 · TOTOLINK

Patch now

CVE-2022-26187 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
19.58%
Remediation
Remediation guidance
Affected products
vendor TOTOLINK n600r_firmware

TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the pingCheck function.

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 n600r_firmwareversion unspecified

How to fix CVE-2022-26187

What to do

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

Should you patch?

CVE-2022-26187 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 19.58%. 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. Apr 21, 2025 · VulnCheck KEV

    Detected

    TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the pingCheck function.

  2. Apr 21, 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-2022-26187

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26187

    30-day exploitation probability 19.6%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2022-26187

    TOTOLINK N600R V4.3.0cu.7570_B20200620 was discovered to contain a command injection vulnerability via the pingCheck function.

    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.