Is Command Injection affected by CVE-2026-5030?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-5030, a command injection vulnerability rated CVSS 5.3. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available.

CVE-2026-5030

EUVD-2026-16971 MEDIUM

2026-03-29 VulDB

5.3

CVSS 4.0

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Mar 30, 2026 - 19:00 vuln.today

Public exploit code

Analysis Generated

Mar 29, 2026 - 04:30 vuln.today

EUVD ID Assigned

Mar 29, 2026 - 04:30 euvd

EUVD-2026-16971

CVE Published

Mar 29, 2026 - 03:30 nvd

MEDIUM 5.3

Description

A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument host_time leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Analysis

Command injection in Totolink NR1800X firmware 9.1.0u.6279_B20210910 allows authenticated remote attackers to execute arbitrary commands via the host_time parameter in the NTPSyncWithHost function of /cgi-bin/cstecgi.cgi. The vulnerability has a CVSS score of 6.3 (medium severity) with publicly available exploit code, though it requires valid login credentials to exploit. …

Remediation

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

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2.9

CVSS: +26

POC: +20

CVE-2026-5030 vulnerability details – vuln.today

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CVE-2026-5030

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CVE-2026-5030

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Remediation

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External POC / Exploit Code