Known Vulnerabilities for Tl-wr840n by Tp-link

Listed below are 10 of the newest known vulnerabilities associated with "Tl-wr840n" 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

More device details and information can be found at device.report here: Tp-link Tl-wr840n

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-3227 json A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due to improper neu... Not Provided 2026-03-16 2026-03-17
CVE-2022-29402 json 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 json 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 json 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 json 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 json 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 json 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 json 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 json 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 json 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
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareTp-linkTl-wr840n1.0
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