CVE-2026-19348Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection
Updated under an hour ago ()
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It affects Shenzhen Aitemi M300 Wi-Fi Repeater. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-77, CWE-74
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Shenzhen Aitemi M300 Wi-Fi Repeater shenzhen_aitemi:m300_wi-fi_repeater | r0-ea7890a | CNA record |
References
- https://vuldb.com/vuln/387184vdb-entry, technical-description
- https://vuldb.com/vuln/387184/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-19348third-party-advisory
- https://vuldb.com/submit/865682third-party-advisory
- https://vuldb.com/submit/865683third-party-advisory
- https://vuldb.com/submit/865684third-party-advisory
- https://github.com/IEATASICS/m300-repeater-bugsexploit
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.