CVE-2026-1623

MEDIUM
2026-01-29 [email protected]
6.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
PoC Detected
Feb 10, 2026 - 14:44 vuln.today
Public exploit code
CVE Published
Jan 29, 2026 - 21:15 nvd
MEDIUM 6.3

Tags

Command Injection A7000r Firmware

Description

A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Analysis

Command injection in Totolik A7000R firmware through the setUpgradeFW function allows unauthenticated remote attackers to execute arbitrary commands via a malicious FileName parameter. Public exploit code exists for this vulnerability, increasing the risk of active exploitation. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

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Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: +2.1
CVSS: +32
POC: +20

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CVE-2026-1623 vulnerability details – vuln.today
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