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    CVE-2018-11714

    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.

    Published:Jun 4, 2018
    Last Modified:Nov 21, 2024
    EPS:Jun 4, 2018
    EPSS Score:0.0594
    CVSS Score:9.8

    Affected Products

    Vendor
    Tp-link
    Product
    Tl-wr840n
    Vendor
    Tp-link
    Product
    Tl-wr840n Firmware
    Vendor
    Tp-link
    Product
    Tl-wr841n
    Vendor
    Tp-link
    Product
    Tl-wr841n Firmware

    Exploits

    http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/https://www.exploit-db.com/exploits/44781/http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/https://www.exploit-db.com/exploits/44781/https://github.com/mikelkarma/cve-2018-11714_POC

    Common Weakness Enumeration

    CWE-384 Session Fixation

    Related CVEs

    CVE-2026-3227 (CVSS 8.5) — A command injection vulnerability was identified in TP-Link TL-WR802N v4, TL-WR841N v14, and TL-WR840N v6 due …
    CVE-2023-50224 (CVSS 6.5) — TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability. This vulnerability…
    CVE-2023-39471 (CVSS 8.8) — TP-Link TL-WR841N ated_tp Command Injection Remote Code Execution Vulnerability. This vulnerability allows net…
    CVE-2022-29402 (CVSS 6.8) — TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerabi…
    CVE-2021-46122 (CVSS 7.2) — Tp-Link TL-WR840N (EU) v6.20 Firmware (0.9.1 4.17 v0001.0 Build 201124 Rel.64328n) is vulnerable to Buffer Ove…
    CVE-2022-26642 (CVSS 7.2) — TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the X_TP_ClonedMACAddress paramete…
    CVE-2022-26641 (CVSS 7.2) — TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the httpRemotePort parameter.…
    CVE-2022-26639 (CVSS 7.2) — TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.…
    CVE-2022-26640 (CVSS 7.2) — TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.…
    CVE-2022-25061 (CVSS 9.8) — TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a command injection vulnerability via the compone…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High