Known Vulnerabilities for Tl-wr840n Firmware by Tp-link

Listed below are 10 of the newest known vulnerabilities associated with "Tl-wr840n Firmware" by "Tp-link".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2022-29402 TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows att... 6.8 - MEDIUM 2022-05-25 2022-06-07
CVE-2022-26642 TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress parameter. 7.2 - HIGH 2022-03-28 2022-04-04
CVE-2022-26641 TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter. 7.2 - HIGH 2022-03-28 2022-04-04
CVE-2022-26640 TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter. 7.2 - HIGH 2022-03-28 2022-06-05
CVE-2022-26639 TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter. 7.2 - HIGH 2022-03-28 2022-06-05
CVE-2022-25064 TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal... 9.8 - CRITICAL 2022-02-25 2023-08-08
CVE-2022-25062 TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain an integer overflow via the function dm_checkString. This vulner... 7.5 - HIGH 2022-02-25 2022-03-08
CVE-2022-25061 TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_setIp6De... 9.8 - CRITICAL 2022-02-25 2023-08-08
CVE-2022-25060 TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the component oal_startPin... 9.8 - CRITICAL 2022-02-25 2023-08-08
CVE-2021-46122 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 P... 7.2 - HIGH 2022-04-18 2022-04-26
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		Tp-linkTl-wr840n Firmware6_eu_0.9.1_4.16
Operating
System		Tp-linkTl-wr840n Firmware3.13.27
Operating
System		Tp-linkTl-wr840n Firmware0.9.1
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report