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CVE-2026-2540

The Micca KE700 system contains flawed resynchronization logic and is vulnerable to replay attacks. This attack requires sending two previously captured codes in a specific sequence. As a result, the system can be forced to accept previously used (stale) rolling codes and execute a command. Successful exploitation allows an attacker to clone the alarm key. This grants the attacker unauthorized access to the vehicle to unlock or lock the doors.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4558d2e8e3733d8e183dd1253352afd7535e8fd536022634ee7e2b5796e0ef6c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-288","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-294","description":"CWE-294: Authentication Bypass by Capture-replay","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Car Alarm System KE700","vendor":"Micca Auto Electronics Co., Ltd.","versions":[{"status":"affected","version":"KE700"},{"status":"unknown","version":"KE700+"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":8.4,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:L/SA:H/V:D/RE:M","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpac…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-288","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-294","description":"CWE-294: Authentication Bypass by Capture-replay","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"tags":["third-party-advisory"],"url":"https://asrg.io/security-advisories/cve-2026-2540/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:475dac13e2de125fcdd3e9c9496742ae4af4c5d90d51467812fdfa04186f3efd · sha256:3a18d715ebbd294c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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