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Vulnerability record · CVE-2026-19348 · published 9 August 2026

CVE-2026-19348: Injection vulnerability

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.

8.9 CVSS 4.0 High EPSS 3.6% · top 11.1% CWE-74 · InjectionCWE-77 · Command injection Deferred
8.9CVSS 4.0 base score, v2 10.0
3.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
12 Aug 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/IEATASICS/m300-repeater-bugs
https://vuldb.com/cve/CVE-2026-19348
https://vuldb.com/submit/865682
https://vuldb.com/submit/865683
https://vuldb.com/submit/865684
https://vuldb.com/vuln/387184
https://vuldb.com/vuln/387184/cti

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Source: NIST National Vulnerability Database (record CVE-2026-19348), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.