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T6 Firmware CVE-2025-7614

| EUVDEUVD-2025-21358 LOW
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2025-07-14 cna@vuldb.com
Command Injection T6 Firmware TOTOLINK
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.3 (MEDIUM) 2.1 (LOW)
EUVD ID Assigned
Mar 16, 2026 - 09:43 euvd
EUVD-2025-21358
Analysis Generated
Mar 16, 2026 - 09:43 vuln.today
PoC Detected
Jul 16, 2025 - 14:31 vuln.today
Public exploit code
CVE Published
Jul 14, 2025 - 15:15 cve.org
LOW 2.1
CVE Published
Jul 14, 2025 - 15:15 nvd
MEDIUM 6.3

DescriptionCVE.org

A vulnerability classified as critical has been found in TOTOLINK T6 4.1.5cu.748. Affected is the function delDevice of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ipAddr leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Command injection in TOTOLINK T6 firmware version 4.1.5cu.748 allows authenticated remote attackers to execute arbitrary OS commands via the ipAddr parameter in a crafted request to /cgi-bin/cstecgi.cgi. The vulnerability resides in the delDevice function of the HTTP POST handler, and publicly available exploit code exists. Although the vendor-reported CVSS 4.0 score is low (2.1), weaponizing this flaw can lead to full router compromise, making it critical for affected devices.

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Same weakness CWE-74 – Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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CVE-2025-7614 vulnerability details – vuln.today
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