CVE-2026-19348

CRITICALCVSS 9.8/10EPSS 2.46%

Last modified

CVE-2026-19348 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Shenzhen AitemiM300 Wi-Fi Repeaterr0-ea7890a

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-19348?
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.
How severe is CVE-2026-19348?
CVE-2026-19348 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.46% probability of exploitation in the next 30 days.
How do I fix CVE-2026-19348?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST