CVE-2026-1548

MEDIUM
2026-01-28 [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 - 21:54 vuln.today
PoC Detected
Feb 09, 2026 - 16:34 vuln.today
Public exploit code
CVE Published
Jan 28, 2026 - 23:15 nvd
MEDIUM 6.3

Tags

Command Injection A7000r Firmware

Description

A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Analysis

Command injection in Totolik A7000R firmware (version 4.1cu.4154) via the CloudACManualUpdateUserdata function allows authenticated remote attackers to execute arbitrary commands through a crafted url parameter. Public exploit code exists for this vulnerability and no patch is currently available.

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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

52
Low Medium High Critical
KEV: 0
EPSS: +0.8
CVSS: +32
POC: +20

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CVE-2026-1548 vulnerability details – vuln.today
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