Tp Link Tl Wr841N vulnerabilities

40 vulnerabilities

Known vulnerabilities in Tp Link Tl Wr841N, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

10CVE-2018-11714tp-linktl-wr840n_firmware+1
EPSS score
67.06%
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 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of "Referer: http://192.168.0.1/mainFrame.htm" then no authentication is required for any action.
9.8CVE-2018-12575tp-linktl-wr841n_firmware
EPSS score
2.86%
On TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 171019 Rel.55346n devices, all actions in the web interface are affected by bypass of authentication via an HTTP request.
8.8CVE-2018-12574tp-linktl-wr841n_firmware
EPSS score
0.46%
CSRF exists for all actions in the web interface on TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices.
8.8CVE-2018-12577tp-linktl-wr841n_firmware
EPSS score
2.68%
The Ping and Traceroute features on TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices allow authenticated blind Command Injection.
4.3CVE-2018-12576tp-linktl-wr841n_firmware
EPSS score
0.70%
TP-Link TL-WR841N v13 00000001 0.9.1 4.16 v0001.0 Build 180119 Rel.65243n devices allow clickjacking.
7.8CVE-2015-3035tp-linkarcher_c5_firmware+10KEV
EPSS score
83.95%
Directory traversal vulnerability in TP-LINK Archer C5 (1.2) with firmware before 150317, C7 (2.0) with firmware before 150304, and C8 (1.0) with firmware before 150316, Archer C9 (1.0), TL-WDR3500 (1.0), TL-WDR3600 (1.0), and TL-WDR4300 (1.0) with firmware before 150302, TL-WR740N (5.0) and TL-WR741ND (5.0) with firmware before 150312, and TL-WR841N (9.0), TL-WR841N (10.0), TL-WR841ND (9.0), and TL-WR841ND (10.0) with firmware before 150310 allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to login/.
7.5CVE-2025-9014tp-link systems inc.tl-wr841n v14+1
EPSS score
0.51%
A Null Pointer Dereference vulnerability exists in the referer header check of the web portal of TP-Link TL-WR841N v14, caused by improper input validation.  A remote, unauthenticated attacker can exploit this flaw and cause Denial of Service on the web portal service.This issue affects TL-WR841N v14: before 250908.
8.6CVE-2025-9377tp-link systems inc.archer c7(eu) v2+4KEV
EPSS score
37.73%
The authenticated remote command execution (RCE) vulnerability exists in the Parental Control page on TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9. This issue affects Archer C7(EU) V2: before 241108 and TL-WR841N/ND(MS) V9: before 241108. Both products have reached the status of EOL (end-of-life). It's recommending to purchase the new product to ensure better performance and security. If replacement is not an option in the short term, please use the second reference link to download and install the patch(es).
7.5CVE-2025-53713tp-link systems inc.tl-wr841n v11+1
EPSS score
0.34%
A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/WlanNetworkRpm_APC.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
7.5CVE-2025-53715tp-link systems inc.tl-wr841n v11+1
EPSS score
0.34%
A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/Wan6to4TunnelCfgRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
7.5CVE-2025-53714tp-link systems inc.tl-wr841n v11+1
EPSS score
0.34%
A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/WzdWlanSiteSurveyRpm_AP.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
7.5CVE-2025-53711tp link systems inc.tl-wr842nd v2+3
EPSS score
0.34%
A vulnerability has been found in TP-Link TL-WR841N v11, TL-WR842ND v2 and TL-WR494N v3. The vulnerability exists in the /userRpm/WlanNetworkRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
7.5CVE-2025-53712tp-link systems inc.tl-wr841n v11+1
EPSS score
0.34%
A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/WlanNetworkRpm_AP.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
9CVE-2020-8423tp-linktl-wr841n_firmware
EPSS score
9.35%
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.
9CVE-2020-35576tp-linktl-wr841n_firmware
EPSS score
42.29%
A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.
6.1CVE-2022-42202tp-linktl-wr841n_firmware
EPSS score
0.57%
TP-Link TL-WR841N 8.0 4.17.16 Build 120201 Rel.54750n is vulnerable to Cross Site Scripting (XSS).
8CVE-2022-42433tp-linktl-wr841_firmware+1
EPSS score
0.61%
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR841N TL-WR841N(US)_V14_220121 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. 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-17356.
9.8CVE-2022-0162tp-linktl-wr841n_firmware
EPSS score
0.67%
The vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in cleartextbase64 format. Successful exploitation of this vulnerability could allow a remote attacker to intercept credentials and subsequently perform administrative operations on the affected device through web-based management interface.
10CVE-2022-25073tp-linktl-wr841n_firmware
EPSS score
13.03%
TL-WR841Nv14_US_0.9.1_4.18 routers were discovered to contain a stack overflow in the function dm_fillObjByStr(). This vulnerability allows unauthenticated attackers to execute arbitrary code.
8.8CVE-2022-46912tp-linktl-wr841n_firmware+1
EPSS score
1.05%
An issue in the firmware update process of TP-Link TL-WR841N / TL-WA841ND V7 3.13.9 and earlier allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via uploading a crafted firmware image.