CVE-2026-19348

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-08-09

A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfilter_conf&function=set&act=add&name=test&enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

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Exploitation outlook

Moderate exploitation risk2.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 79% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-19348: A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacte…nvd · 2026-08-09

External references

NVD record for CVE-2026-19348

CVE.org record

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