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Tl Wr840N Firmware CVE-2022-25060

CRITICAL
OS Command Injection (CWE-78)
2022-02-25 cve@mitre.org
Command Injection TP-Link Tl Wr840N 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
Feb 25, 2022 - 20:15 nvd
CRITICAL 9.8

DescriptionNVD

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing.

AnalysisAI

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 52.4%.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing. Affected products include: Tp-Link Tl-Wr840N 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 Tl Wr840N Firmware

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CVE-2021-41653 CRITICAL POC
9.8 Nov 13

The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to r
CVE-2022-25061 CRITICAL POC
9.8 Feb 25

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_set
CVE-2022-25064 CRITICAL POC
9.8 Feb 25

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the functio
CVE-2018-11714 CRITICAL POC
9.8 Jun 04

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
CVE-2019-15060 HIGH POC
8.8 Aug 22

The traceroute function on the TP-Link TL-WR840N v4 router with firmware through 0.9.1 3.16 is vulnerable to remote code
CVE-2018-15172 HIGH POC
7.5 Aug 15

TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header. Rated high severity (CVSS 7.5), this
CVE-2022-26642 HIGH POC
7.2 Mar 28

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter. Rated h
CVE-2022-26641 HIGH POC
7.2 Mar 28

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter. Rated high sev
CVE-2022-26640 HIGH POC
7.2 Mar 28

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter. Rated high severit
CVE-2022-26639 HIGH POC
7.2 Mar 28

TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter. Rated high severit
CVE-2022-29402 MEDIUM POC
6.8 May 25

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. Rated medium severity (C
CVE-2021-29280 MEDIUM POC
6.4 Aug 19

In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow. Rated medium severity (CVSS 6.4).

Same weakness CWE-78 – OS Command Injection

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Same technique Command Injection

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CVE-2012-1823 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-2014-6278 HIGH POC
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CVE-2017-6334 HIGH POC
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CVE-2024-50603 CRITICAL POC
10.0
CVE-2025-64328 HIGH POC
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CVE-2022-25060 vulnerability details – vuln.today
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