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    CVE-2022-4499

    TP-Link routers, Archer C5 and WR710N-V1, using the latest software, the strcmp function used for checking credentials in httpd, is susceptible to a side-channel attack. By measuring the response time of the httpd process, an attacker could guess each byte of the username and password.

    Published:Jan 11, 2023
    Last Modified:Nov 4, 2025
    EPS:Jan 11, 2023
    EPSS Score:0.00055
    CVSS Score:7.5

    Affected Products

    Vendor
    Tp-link
    Product
    Archer C5
    Vendor
    Tp-link
    Product
    Archer C5 Firmware
    Vendor
    Tp-link
    Product
    Tl-wr710n
    Vendor
    Tp-link
    Product
    Tl-wr710n Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

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    CVE-2022-4498 (CVSS 9.8) — In TP-Link routers, Archer C5 and WR710N-V1, running the latest available code, when receiving HTTP Basic Auth…
    CVE-2020-35575 (CVSS 9.8) — A password-disclosure issue in the web interface on certain TP-Link devices allows a remote attacker to get fu…
    CVE-2020-9375 (CVSS 7.5) — TP-Link Archer C50 V3 devices before Build 200318 Rel. 62209 allows remote attackers to cause a denial of serv…
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    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