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Vulnerabilities

Vulnerability · CVE-2025-44846

TOTOLINK ca600-poe_firmware Improper Neutralization of Special Elements used in a Command ('Command Injection')

Published May 1, 2025 · catalog updated Jan 27, 2026 · TOTOLINK ca600-poe_firmware Improper Neutralization

Patch now

CVE-2025-44846 is in the CISA known-exploited catalog. Confirm TOTOLINK ca600-poe_firmware Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (TOTOLINK ca600-poe_firmware Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium6.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.94%
Remediation
Remediation guidance
Affected products
vendor TOTOLINK ca600-poe_firmware · vendor n/a n/a n/a

TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the recvUpgradeNewFw function via the fwUrl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

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 ca600-poe_firmwareversion unspecified
  • vendor n/a n/a n/an/a

How to fix CVE-2025-44846

What to do

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

Should you patch?

CVE-2025-44846 is in the CISA known-exploited catalog. Confirm TOTOLINK ca600-poe_firmware Improper Neutralization 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 n/a n/a n/a n/a. 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 0.94%. 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. Jan 27, 2026 · VulnCheck KEV

    Detected

    TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the recvUpgradeNewFw function via the fwUrl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

  2. Jan 27, 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-2025-44846

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-44846

    30-day exploitation probability 0.9%

    first.org
  • EUVDVulnerability recordEUVD-2025-12831

    TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the recvUpgradeNewFw function via the fwUrl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-44846

    TOTOLINK CA600-PoE V5.3c.6665_B20180820 was found to contain a command injection vulnerability in the recvUpgradeNewFw function via the fwUrl parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

    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.