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Nr1800x Firmware CVE-2022-41518

CRITICAL
OS Command Injection (CWE-78)
2022-10-06 cve@mitre.org
Command Injection Nr1800x Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Lifecycle Timeline

1
CVE Published
Oct 06, 2022 - 18:16 nvd
CRITICAL 9.8

DescriptionNVD

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi.

AnalysisAI

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi. Affected products include: Totolink Nr1800X Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

More in Nr1800x Firmware

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CVE-2025-45841 CRITICAL POC
9.8 May 08

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the text parameter
CVE-2023-7220 CRITICAL POC
9.8 Jan 09

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Rated critical severity

CVE-2023-36340 CRITICAL POC
9.8 Oct 16

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a stack overflow via the http_host parameter in the fu
CVE-2022-41525 CRITICAL POC
9.8 Oct 06

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the OpModeCfg fu
CVE-2022-41522 CRITICAL POC
9.8 Oct 06

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an unauthenticated stack overflow via the "main" funct
CVE-2025-45845 HIGH POC
8.8 May 08

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the ssid5g paramet
CVE-2025-45844 HIGH POC
8.8 May 08

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the ssid parameter
CVE-2025-45843 HIGH POC
8.8 May 08

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the ssid parameter
CVE-2025-45842 HIGH POC
8.8 May 08

TOTOLINK NR1800X V9.1.0u.6681_B20230703 was discovered to contain an authenticated stack overflow via the ssid5g paramet
CVE-2026-1328 HIGH POC
8.8 Jan 22

Buffer overflow in Totolik NR1800X firmware allows authenticated remote attackers to achieve complete system compromise

CVE-2022-44256 HIGH POC
8.8 Nov 23

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter lang in the setLangua
CVE-2022-41528 HIGH POC
8.8 Oct 06

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the text parameter

Same weakness CWE-78 – OS Command Injection

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CVE-2014-6271 CRITICAL POC
9.8
CVE-2014-6278 HIGH POC
8.8
CVE-2017-6334 HIGH POC
8.8
CVE-2024-50603 CRITICAL POC
10.0
CVE-2025-64328 HIGH POC
8.6
CVE-2014-7169 CRITICAL POC
9.8
CVE-2017-6884 HIGH POC
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CVE-2017-6077 CRITICAL POC
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Same technique Command Injection

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CVE-2012-1823 CRITICAL POC
9.8
CVE-2016-1555 CRITICAL POC
9.8
CVE-2014-6271 CRITICAL POC
9.8
CVE-2015-2051 HIGH POC
8.8
CVE-2014-6278 HIGH POC
8.8
CVE-2017-6334 HIGH POC
8.8
CVE-2024-50603 CRITICAL POC
10.0
CVE-2025-64328 HIGH POC
8.6

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CVE-2022-41518 vulnerability details – vuln.today
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