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Fencer Intel
medium 4.8

CVE-2025-6530 json

70mai M300 Telnet Service demo.sh denial of service

published last yr. modified 4mo ago also EUVD-2025-18958

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

A vulnerability was found in 70mai M300 up to 20250611. It has been classified as problematic. This affects an unknown part of the file demo.sh of the component Telnet Service. The manipulation leads to denial of service. Access to the local network is required for this attack. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/geo-chen/70mai/blob/main/README.md#finding-8-remotely-crashing-the-dashcam referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.9 CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
CNA 3.1 4.8 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R
CNA 3.0 4.8 CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R
CNA 2.0 4.3 AV:A/AC:H/Au:S/C:N/I:N/A:C/E:POC/RL:W/RC:UR
CNA 4.0 5.0 CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/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:X/V:X/RE:X/U:X
CNA 3.1 4.8 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 4.8 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 2.0 4.3 AV:A/AC:H/Au:S/C:N/I:N/A:C

Affected products

  • 70mai M300

Classification

Weakness
  • CWE-404 Improper Resource Shutdown or Release

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.