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Tl Wr841n Firmware CVE-2023-33538

HIGH
Command Injection (CWE-77)
2023-06-07 cve@mitre.org
Command Injection TP-Link Tl Wr841n Firmware Tl Wr940n Firmware Tl Wr740N Firmware
8.8
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Jun 07, 2023 - 04:15 nvd
HIGH 8.8

DescriptionNVD

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm .

AnalysisAI

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm . Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a command injection vulnerability via the component /userRpm/WlanNetworkRpm . Affected products include: Tp-Link Tl-Wr940N Firmware, Tp-Link Tl-Wr841N Firmware, Tp-Link Tl-Wr740N Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability.
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An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00
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TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the compo
CVE-2023-33536 HIGH POC
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TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the compo
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An issue in the /userRpm/LocalManageControlRpm component of TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8/V10, and TL-WR941ND
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TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 were discovered to contain a buffer read ou
CVE-2023-36359 HIGH POC
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TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR940N V2/V3 and TL-WR941ND V5/V6 were discovered to contain a buffer overflo
CVE-2023-36354 HIGH POC
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TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR740N V1/V2, TL-WR940N V2/V3, and TL-WR941ND V5/V6 were discovered to contai
CVE-2020-8423 HIGH POC
7.2 Apr 02

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated

Same weakness CWE-77 – Command Injection

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CVE-2024-21887 CRITICAL POC
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CVE-2016-1555 CRITICAL POC
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CVE-2015-2051 HIGH POC
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CVE-2017-6327 HIGH POC
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CVE-2023-34960 CRITICAL POC
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CVE-2023-37679 CRITICAL POC
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Same technique Command Injection

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CVE-2024-21887 CRITICAL POC
9.1
CVE-2019-15107 CRITICAL POC
9.8
CVE-2024-51378 CRITICAL POC
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CVE-2012-1823 CRITICAL POC
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CVE-2016-1555 CRITICAL POC
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CVE-2014-6271 CRITICAL POC
9.8
CVE-2024-55956 CRITICAL POC
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CVE-2018-11138 CRITICAL POC
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CVE-2023-33538 vulnerability details – vuln.today
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