Denial of Service Vulnerability in 70mai M300 Telnet Service
CVE-2025-6530

5.9MEDIUM

Key Information:

Vendor

70mai

Status
M300
Vendor
CVE Published:
23 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6530?

A vulnerability identified in the 70mai M300, specifically within the Telnet Service component, allows for denial of service conditions. This issue arises from a flaw in the 'demo.sh' file, requiring local network access for successful exploitation. The complexity of executing an attack is notably high, which may deter less experienced attackers. Despite the exploit being publicly disclosed, the vendor has not responded to early notifications regarding this issue, leaving users vulnerable until a fix is provided.

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Affected Version(s)

M300 20250611

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-6530 - Proof of Concept

References

https://vuldb.com/?id.313647
vdb-entry
https://vuldb.com/?ctiid.313647
signaturepermissions-required
https://vuldb.com/?submit.595451
third-party-advisory

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

geochen (VulDB User)
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