Shenzhen Aitemi M300 Wi-Fi Repeater protocol.csp sprintf command injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Shenzhen Aitemi | M300 Wi-Fi Repeater | r0-ea7890a | — | No fix listed | CNA |
- M300 Wi-Fi Repeater VendorShenzhen Aitemi Affected r0-ea7890a Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:shenzhen_aitemi:m300_wi-fi_repeater:*:*:*:*:*:*:*:* | — | — | Shenzhen Aitemi |
- cpe:2.3:a:shenzhen_aitemi:m300_wi-fi_repeater:*:*:*:*:*:*:*:* Versions — — ·Shenzhen Aitemi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19348
- 2026-10-03 Alias added: GHSA-5x4f-6m9q-mg75
References
Sources
- CVE-2026-19348 · CVE Program
- CVE-2026-19348 · NVD
- FIRST EPSS
- GHSA-5x4f-6m9q-mg75 · GitHub Advisory Database · CC BY 4.0
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