Belkin F9K1015 1.00.10 /goform/formL2TPSetup L2TPUserName buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.35

Summaryinfo

A vulnerability identified as critical has been detected in Belkin F9K1015 1.00.10. This affects an unknown part of the file /goform/formL2TPSetup. This manipulation of the argument L2TPUserName causes buffer overflow. This vulnerability is registered as CVE-2025-11294. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Belkin F9K1015 1.00.10. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file /goform/formL2TPSetup. The manipulation of the argument L2TPUserName with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-11294. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-32461). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/04/2025 Advisory disclosed
10/04/2025 +0 days VulDB entry created
10/05/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2025-11294 (🔒)
GCVE (CVE): GCVE-0-2025-11294
GCVE (VulDB): GCVE-100-327175
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/04/2025 20:50
Updated: 10/05/2025 19:15
Changes: 10/04/2025 20:50 (56), 10/05/2025 18:27 (31), 10/05/2025 19:15 (1)
Complete: 🔍
Submitter: panda_0xf1
Cache ID: 216:C27:103

Submitinfo

Accepted

  • Submit #661298: Belkin F9K1015 1.00.10 Buffer Overflow (by panda_0xf1)

Be aware that VulDB is the high quality source for vulnerability data.

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