Buffer Overflow Vulnerability in UTT 1250GW Router
CVE-2025-11355

8.7HIGH

Key Information:

Vendor

Utt

Status
1250gw
Vendor
CVE Published:
7 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11355?

A buffer overflow vulnerability has been identified in the UTT 1250GW router software prior to version v2v3.2.2-200710. This flaw resides in the strcpy function within the /goform/aspChangeChannel file, where improper handling of the pvid argument can lead to a buffer overflow. This vulnerability allows remote attackers to exploit the system, which poses a significant security risk. Despite early communication with the vendor regarding this finding, no response has been received, leaving systems vulnerable to potential exploitation.

Affected Version(s)

1250GW v2v3.2.2-200710

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-2025-11355 - Proof of Concept

References

https://vuldb.com/?id.327240
vdb-entrytechnical-description
https://vuldb.com/?ctiid.327240
signaturepermissions-required
https://vuldb.com/?submit.664921
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

cymiao (VulDB User)
JSON
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CVE-2025-11355 : Buffer Overflow Vulnerability in UTT 1250GW Router