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      <title>CVE-2026-49319 — Alps Electric Co., Ltd. R53R0 Remote Keyless Entry System (RKES) Replay Attack</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-49319</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Alps Electric Co., Ltd. Remote Keyless Entry System (RKES) R53R0&lt;/p&gt;
&lt;p&gt;Remote Keyless Entry System (RKES), using the 433 MHz key fob bearing FCC ID CWTR53R0 manufactured by ALPS ALPINE CO., LTD., is vulnerable to a roll-back attack against its rolling-code authentication.&lt;/p&gt;
&lt;p&gt;An attacker within RF range who records two consecutive lock or unlock transmissions from a legitimate key fob can later replay the same pair of transmissions repeatedly. During testing, replaying the first captured transmission caused the RKES to enter a state in which replaying the second captured transmission resulted in a successful lock or unlock operation of the vehicle. Tested and confirmed on a 2024 Suzuki Swift (SWIFT ISG GLS AC 1.2 5P 4x2 TM).&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Alps Electric Co., Ltd. Remote Keyless Entry System (RKES) R53R0&lt;/p&gt;
&lt;p&gt;Remote Keyless Entry System (RKES), using the 433 MHz key fob bearing FCC ID CWTR53R0 manufactured by ALPS ALPINE CO., LTD., is vulnerable to a roll-back attack against its rolling-code authentication.&lt;/p&gt;
&lt;p&gt;An attacker within RF range who records two consecutive lock or unlock transmissions from a legitimate key fob can later replay the same pair of transmissions repeatedly. During testing, replaying the first captured transmission caused the RKES to enter a state in which replaying the second captured transmission resulted in a successful lock or unlock operation of the vehicle. Tested and confirmed on a 2024 Suzuki Swift (SWIFT ISG GLS AC 1.2 5P 4x2 TM).&lt;/p&gt;</content:encoded>
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