Search criteria

42 vulnerabilities found for tl-wr840n_firmware by tp-link

CVE-2026-3227 (GCVE-0-2026-3227)

Vulnerability from nvd – Published: 2026-03-13 21:38 – Updated: 2026-03-17 03:55
VLAI?
Title
Authenticated Command Injection on TP-Link TL-WR802N, TL-WR841N and TL-WR840N
Summary
A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neutralization of special elements used in an OS command. In the router configuration import function allows an authenticated attacker to upload a crafted configuration file that results in execution of OS commands with root privileges during port-trigger processing. Successful exploitation allows an authenticated attacker to execute system commands with root privileges, leading to full device compromise.
Severity ?
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. TL-WR802N v4 Affected: 0 , < V4_260304 (custom)
Create a notification for this product.
Credits
do4choo (github.com/do4choo)
Show details on NVD website
To clipboard 

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CVE-2023-39471 (GCVE-0-2023-39471)

Vulnerability from nvd – Published: 2024-05-03 02:10 – Updated: 2024-08-02 18:10
VLAI?
Title
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability
Summary
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825.
Severity ?
7.5 (High)
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
zdi
References
Impacted products
Vendor Product Version
TP-Link TL-WR841N Affected: 4.19
Create a notification for this product.
Date Public ?
2023-11-14 21:52
Show details on NVD website
To clipboard 

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CVE-2022-29402 (GCVE-0-2022-29402)

Vulnerability from nvd – Published: 2022-05-25 17:24 – Updated: 2024-08-03 06:17
VLAI?
Summary
TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.
Severity ?
6.8 (Medium)
CVSS:3.1/AC:L/AV:P/A:H/C:H/I:H/PR:N/S:U/UI:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-46122 (GCVE-0-2021-46122)

Vulnerability from nvd – Published: 2022-04-18 15:27 – Updated: 2024-08-04 05:02
VLAI?
Summary
Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26642 (GCVE-0-2022-26642)

Vulnerability from nvd – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26641 (GCVE-0-2022-26641)

Vulnerability from nvd – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26640 (GCVE-0-2022-26640)

Vulnerability from nvd – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26639 (GCVE-0-2022-26639)

Vulnerability from nvd – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25064 (GCVE-0-2022-25064)

Vulnerability from nvd – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25062 (GCVE-0-2022-25062)

Vulnerability from nvd – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25061 (GCVE-0-2022-25061)

Vulnerability from nvd – Published: 2022-02-25 19:39 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25060 (GCVE-0-2022-25060)

Vulnerability from nvd – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-41653 (GCVE-0-2021-41653)

Vulnerability from nvd – Published: 2021-11-13 14:18 – Updated: 2024-08-04 03:15
VLAI?
Summary
The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-29280 (GCVE-0-2021-29280)

Vulnerability from nvd – Published: 2021-08-19 15:31 – Updated: 2024-08-03 22:02
VLAI?
Summary
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2020-36178 (GCVE-0-2020-36178)

Vulnerability from nvd – Published: 2021-01-06 20:57 – Updated: 2024-08-04 17:23
VLAI?
Summary
oal_ipt_addBridgeIsolationRules on TP-Link TL-WR840N 6_EU_0.9.1_4.16 devices allows OS command injection because a raw string entered from the web interface (an IP address field) is used directly for a call to the system library function (for iptables). NOTE: oal_ipt_addBridgeIsolationRules is not the only function that calls util_execSystem.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2026-3227 (GCVE-0-2026-3227)

Vulnerability from cvelistv5 – Published: 2026-03-13 21:38 – Updated: 2026-03-17 03:55
VLAI?
Title
Authenticated Command Injection on TP-Link TL-WR802N, TL-WR841N and TL-WR840N
Summary
A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neutralization of special elements used in an OS command. In the router configuration import function allows an authenticated attacker to upload a crafted configuration file that results in execution of OS commands with root privileges during port-trigger processing. Successful exploitation allows an authenticated attacker to execute system commands with root privileges, leading to full device compromise.
Severity ?
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. TL-WR802N v4 Affected: 0 , < V4_260304 (custom)
Create a notification for this product.
Credits
do4choo (github.com/do4choo)
Show details on NVD website
To clipboard 

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CVE-2023-39471 (GCVE-0-2023-39471)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:10 – Updated: 2024-08-02 18:10
VLAI?
Title
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability
Summary
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ated_tp service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21825.
Severity ?
7.5 (High)
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
zdi
References
Impacted products
Vendor Product Version
TP-Link TL-WR841N Affected: 4.19
Create a notification for this product.
Date Public ?
2023-11-14 21:52
Show details on NVD website
To clipboard 

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CVE-2022-29402 (GCVE-0-2022-29402)

Vulnerability from cvelistv5 – Published: 2022-05-25 17:24 – Updated: 2024-08-03 06:17
VLAI?
Summary
TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.
Severity ?
6.8 (Medium)
CVSS:3.1/AC:L/AV:P/A:H/C:H/I:H/PR:N/S:U/UI:N
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-46122 (GCVE-0-2021-46122)

Vulnerability from cvelistv5 – Published: 2022-04-18 15:27 – Updated: 2024-08-04 05:02
VLAI?
Summary
Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Overflow via the Password reset feature.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26641 (GCVE-0-2022-26641)

Vulnerability from cvelistv5 – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26642 (GCVE-0-2022-26642)

Vulnerability from cvelistv5 – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26640 (GCVE-0-2022-26640)

Vulnerability from cvelistv5 – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-26639 (GCVE-0-2022-26639)

Vulnerability from cvelistv5 – Published: 2022-03-28 22:42 – Updated: 2024-08-03 05:11
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25061 (GCVE-0-2022-25061)

Vulnerability from cvelistv5 – Published: 2022-02-25 19:39 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25064 (GCVE-0-2022-25064)

Vulnerability from cvelistv5 – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25062 (GCVE-0-2022-25062)

Vulnerability from cvelistv5 – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-25060 (GCVE-0-2022-25060)

Vulnerability from cvelistv5 – Published: 2022-02-25 19:38 – Updated: 2024-08-03 04:29
VLAI?
Summary
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-41653 (GCVE-0-2021-41653)

Vulnerability from cvelistv5 – Published: 2021-11-13 14:18 – Updated: 2024-08-04 03:15
VLAI?
Summary
The PING function on the TP-Link TL-WR840N EU v5 router with firmware through TL-WR840N(EU)_V5_171211 is vulnerable to remote code execution via a crafted payload in an IP address input field.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-29280 (GCVE-0-2021-29280)

Vulnerability from cvelistv5 – Published: 2021-08-19 15:31 – Updated: 2024-08-03 22:02
VLAI?
Summary
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2020-36178 (GCVE-0-2020-36178)

Vulnerability from cvelistv5 – Published: 2021-01-06 20:57 – Updated: 2024-08-04 17:23
VLAI?
Summary
oal_ipt_addBridgeIsolationRules on TP-Link TL-WR840N 6_EU_0.9.1_4.16 devices allows OS command injection because a raw string entered from the web interface (an IP address field) is used directly for a call to the system library function (for iptables). NOTE: oal_ipt_addBridgeIsolationRules is not the only function that calls util_execSystem.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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