TBEA TLogger up to 2.1.0.0B0.0.0.0 Web Server sprintf/strcat buffer overflow

Summaryinfo

A vulnerability categorized as critical has been discovered in TBEA TLogger up to 2.1.0.0B0.0.0.0. The impacted element is the function sprintf/strcat of the component Web Server. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2025-15683. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in TBEA TLogger up to 2.1.0.0B0.0.0.0 and classified as critical. Affected by this issue is the function sprintf/strcat of the component Web Server. 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 integrity, and availability. CVE summarizes:

TBEA TLogger V2.1.0.0B0.0.0.0 contains multiple unauthenticated denial-of-service vulnerabilities in its web server. An unauthenticated remote attacker can invoke specific HTTP endpoints to reboot or reset the device, clear application data, or terminate the web server through a segmentation fault. In addition, multiple action endpoints process attacker-controlled parameters using unsafe string operations such as sprintf() and strcat() without adequate bounds checking, allowing crafted input to trigger buffer overflows and crash the web server. The affected endpoints include onRestart, onReset, ClearData, uploadInvFile, getIndiaRPData, YearCaparity, TotalfaultData, recordData, InvHistoryData, CollectHistoryData, InvFaultData, GetPortTableByParm, and UpdatePortConfig.

The advisory is available at en.tbea.com. This vulnerability is handled as CVE-2025-15683 since 08/04/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/10/2026).

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

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Productinfo

Type

• Log Management Software

Vendor

• TBEA

Name

• TLogger

Version

• 2.1.0.0B0.0.0

CPE 2.3info

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CPE 2.2info

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