Trendnet TEG-40128 Web Smart Switch 1.00.023 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Trendnet TEG-40128 Web Smart Switch 1.00.023. This vulnerability affects unknown code. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2025-25523. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Trendnet TEG-40128 Web Smart Switch 1.00.023. It has been rated as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. The attacker can directly control the remote target device by successfully exploiting this vulnerability.

The advisory is shared at gist.github.com. The identification of this vulnerability is CVE-2025-25523 since 02/07/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/30/2025).

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-2025-4121). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
Status: Not defined

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

02/07/2025 🔍
02/11/2025 +4 days 🔍
02/11/2025 +0 days 🔍
05/30/2025 +108 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2025-25523 (🔍)
GCVE (CVE): GCVE-0-2025-25523
GCVE (VulDB): GCVE-100-295397
EUVD: 🔍

Entryinfo

Created: 02/11/2025 21:43
Updated: 05/30/2025 06:51
Changes: 02/11/2025 21:43 (52), 05/24/2025 01:23 (1), 05/30/2025 06:51 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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