Priority HIGH 72
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.
CVSS 4.0HIGH 8.5· Adjacent network · High privileges · No interaction · EPSS 0.03033 · Published 2026-03-13 · Fixed in V4_260304, V14_260303 +1 CWE-78
Priority CRITICAL 86KEV
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability.
CVSS 3.1MEDIUM 6.5· Adjacent network · No auth · No interaction · EPSS 0.20021 · Published 2024-05-03 · Fixed in V11_211209, V12_230317 +4 CWE-290
Priority MEDIUM 42
TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability.
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00913 · Published 2024-05-03 · No fix listed CWE-78
Priority LOW 30
TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console.
CVSS 3.1MEDIUM 6.8· Physical · No auth · No interaction · EPSS 0.00429 · Published 2022-05-25 · No fix listed CWE-306
Priority LOW 35
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.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01555 · Published 2022-04-18 · No fix listed CWE-120
Priority LOW 34
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01253 · Published 2022-03-28 · No fix listed CWE-120
Priority LOW 34
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01253 · Published 2022-03-28 · No fix listed CWE-120
Priority LOW 34
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01253 · Published 2022-03-28 · No fix listed CWE-120
Priority LOW 34
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
CVSS 3.1HIGH 7.2· Network · High privileges · No interaction · EPSS 0.01253 · Published 2022-03-28 · No fix listed CWE-120
Priority HIGH 76
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6DefaultRoute.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.58701 · Published 2022-02-25 · No fix listed CWE-78
Priority HIGH 68
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.36473 · Published 2022-02-25 · No fix listed CWE-78
Priority LOW 39
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.03503 · Published 2022-02-25 · No fix listed CWE-190
Priority HIGH 70
TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPing.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.4015 · Published 2022-02-25 · No fix listed CWE-78
Priority HIGH 81
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.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.76045 · Published 2021-11-13 · No fix listed CWE-94
Priority LOW 30
In TP-Link Wireless N Router WR840N an ARP poisoning attack can cause buffer overflow
CVSS 3.1MEDIUM 6.4· Adjacent network · Low privileges · No interaction · EPSS 0.00754 · Published 2021-08-19 · No fix listed CWE-668
Priority MEDIUM 54
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.09816 · Published 2021-01-06 · No fix listed CWE-78
Priority MEDIUM 45
The traceroute function on the TP-Link TL-WR840N v4 router with firmware through 0.9.1 3.16 is vulnerable to remote code execution via a crafted payload in an IP address input field.
CVSS 3.0HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.04 · Published 2019-08-22 · No fix listed CWE-78
Priority LOW 26
TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name.
CVSS 3.0MEDIUM 4.8· Network · High privileges · User interaction · EPSS 0.01756 · Published 2019-05-24 · No fix listed CWE-79
Priority LOW 37
TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an "nmap -f" command.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.01858 · Published 2019-03-29 · No fix listed CWE-119
Priority MEDIUM 44
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.08195 · Published 2018-08-15 · No fix listed CWE-119
Priority HIGH 79
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.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.67061 · Published 2018-06-04 · No fix listed CWE-384
Priority LOW 32
Cross-site request forgery (CSRF) vulnerability in the administration console in TP-Link TL-WR840N (V1) router with firmware before 3.13.27 build 141120 allows remote attackers to hijack the authentication of administrat…
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.00984 · Published 2015-01-09 · No fix listed CWE-352