70mai M300 Web Server access control

published 2025-06-23 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-18955

cvss: 3.1; 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 48%
public exploits: 0; none known

A vulnerability, which was classified as problematic, was found in 70mai M300 up to 20250611. Affected is an unknown function of the component Web Server. The manipulation leads to improper access controls. The attack can only be initiated within the local network. 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.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-06-24)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/geo-chen/70mai/blob/main/README.md#finding-5-remotely-dump-all-sensitive-video--audio-recordings referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.3	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.1	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
CNA	3.0	3.1	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R
CNA	2.0	1.8	AV:A/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR
CNA	4.0	1.3	CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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	3.1	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	3.1	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.8	AV:A/AC:H/Au:N/C:P/I:N/A:N

Affected products

70mai M300

Classification

Weakness

CWE-284 Improper Access Control
CWE-266 Incorrect Privilege Assignment

References

github.com /geo-chen/70mai/blob/main/README.md#finding-5-remotely-dump-all-sensitive-video--audio-recordings
exploit, third-party-advisory
vuldb.com /?id.313644
vdb-entry, third-party-advisory
vuldb.com /?ctiid.313644
signature, permissions-required, vdb-entry
vuldb.com /?submit.595448
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-6527
NVD CVE-2025-6527

Fencer Vulns 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.

Summary