Tl-wr841n Firmware vulnerabilities
23 known vulnerabilities in Tl-wr841n Firmware from TP-Link. 22 are rated high or critical, and 4 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 8.8 High severity
TL-WL841N v13: Use of Default Cryptographic Key
TP-Link TL-WR841N v13 uses DES-CBC encryption in the TDDPv2 debug protocol with a cryptographic key derived from default web management credentials, making the key predictable if device is left in default configuration. A network-adjacent attacker can exploit
- 7.5 High severity
TL-WR841N v14: Out-of-bounds Read
The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service. Successful exploitation can cause the UPnP service to crash, resulting in a Denial
- 7.5 High severity
TL-WR841N v14: NULL Pointer Dereference
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
- 7.2 High severity
TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Exploited
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 hav
- 7.5 High severity
TL-WR841N V11: Improper Restriction of Operations within the Bounds of a Memory Buffer
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
- 7.5 High severity
TL-WR841N V11: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 i
- 7.5 High severity
TL-WR841N V11: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 d
- 7.5 High severity
TL-WR841N V11: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 de
- 7.5 High severity
TL-WR841N v11: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 w
- 6.5 Medium severity
TP-Link TL-WR841N Authentication Bypass by Spoofing Exploited
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of TP-Link TL-WR841N routers. Authentication is not req
- 8.8 High severity
TL-WR841N: Improper Neutralization of Special Elements used in a Command
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 th
- 8.8 High severity
TL-WR802N: Improper Neutralization of Special Elements used in an OS Command
Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: TL-WR802N firmware versions prior to 'TL-WR802N(JP)_V4_221008', TL-WR841N firmware versions prior to 'TL-WR
- 7.5 High severity
Tl-wr940n Firmware: Buffer Copy without Checking Size of Input
TP-Link TL-WR940N V4, TL-WR841N V8/V10, TL-WR940N V2/V3 and TL-WR941ND V5/V6 were discovered to contain a buffer overflow in the component /userRpm/QoSRuleListRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request
- 7.7 High severity
Tl-wr940n Firmware: Buffer Copy without Checking Size of Input
TP-Link TL-WR940N V2/V3/V4, TL-WR941ND V5/V6, TL-WR743ND V1 and TL-WR841N V8 were discovered to contain a buffer overflow in the component /userRpm/AccessCtrlAccessTargetsRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted
- 7.7 High severity
Tl-wr940n Firmware: Allocation of Resources Without Limits or Throttling
An issue in the /userRpm/LocalManageControlRpm component of TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8/V10, and TL-WR941ND V5 allows attackers to cause a Denial of Service (DoS) via a crafted GET request.
- 7.7 High severity
Tl-wr940n Firmware: Out-of-bounds Read
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 out-of-bounds via the component /userRpm/VirtualServerRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafte
- 7.5 High severity
tl-wr940n_v4: Buffer Copy without Checking Size of Input
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 contain a buffer overflow in the component /userRpm/AccessCtrlTimeSchedRpm. This vulnerability allows attackers to cause a Denial of Service (DoS)
- 8.8 High severity
TP-Link Multiple Routers Command Injection Exploited
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 .
- 8.1 High severity
Tl-wr940n Firmware: Out-of-bounds Read
TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/WlanMacFilterRpm.
- 8.8 High severity
Tl-wr841 Firmware: Buffer Copy without Checking Size of Input
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V12 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the System Tools of the Wi-Fi network. This affects TL-WR841 V1
- 9.8 Critical severity
Tl-wr841n Firmware: Out-of-bounds Write
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.
- 9.8 Critical severity
TL-WR841N: Cleartext Transmission of Sensitive Information
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 interce
- 7.5 High severity
TP-Link Multiple Archer Devices Directory Traversal Exploited
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 be