Vulnerability · CVE-2025-44846
TOTOLINK ca600-poe_firmware Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published Jan 27, 2026 · corrected/updated Jan 27, 2026 · TOTOLINK ca600-poe_firmware · evidence confidence very high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2025-44846 is a unknown public vulnerability record for TOTOLINK ca600-poe_firmware. CISA lists it as known exploited. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether TOTOLINK ca600-poe_firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: TOTOLINK ca600-poe_firmware. Published remediation guidance: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: no CVSS/EPSS yet. CISA lists it as known exploited. Sources contributing to this record: cve_org, vulncheck_kev. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Confirmed in CISA KEV since Jan 27, 2026. Listed in CISA KEV and VulnCheck KEV.
Patch and remediation
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
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.
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.
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.
Affected
- vendor TOTOLINK ca600-poe_firmwareversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2025-44846
Official CVE identifier
cve.org - 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