CVE-2026-1326

MEDIUM
2026-01-22 [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
Jan 29, 2026 - 17:50 vuln.today
Public exploit code
CVE Published
Jan 22, 2026 - 15:16 nvd
MEDIUM 6.3

Tags

Command Injection Nr1800x Firmware

Description

A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname 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 NR1800X firmware allows authenticated remote attackers to execute arbitrary commands through the Hostname parameter in the setWanCfg POST handler. Public exploit code exists for this vulnerability, creating elevated risk despite no patch availability. …

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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: +2.7
CVSS: +32
POC: +20

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CVE-2026-1326 vulnerability details – vuln.today
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