CVE-2025-7117
BaseFortify
Publication date: 2025-07-07
Last updated on: 2026-01-08
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| utt | 840g_firmware | to 3.1.1-190328 (inc) |
| utt | 840g | 3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-7117 is a critical buffer overflow vulnerability in the UTT HiPER 840G router firmware up to version 3.1.1-190328. It occurs in the handling of the addHostFilter argument within the /goform/websWhiteList endpoint. The vulnerability arises because the firmware copies input data into a buffer without checking if the input size exceeds the buffer size, leading to a buffer overflow. This unsafe memory operation can be exploited remotely by an attacker. [1, 2]
How can this vulnerability impact me? :
Exploitation of this vulnerability can allow a remote attacker to cause a denial of service (DoS) on the affected router or potentially compromise the confidentiality, integrity, and availability of the system. Since the vulnerability allows buffer overflow, it may enable execution of arbitrary code or system compromise. No patches or mitigations are currently available, increasing the risk to users of the affected product. [1, 2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by monitoring or testing the /goform/websWhiteList endpoint for abnormal behavior or attempts to exploit the addHostFilter parameter. Since a public proof-of-concept exploit is available, penetration testing tools or custom scripts can be used to send crafted requests to this endpoint to check for buffer overflow conditions or crashes. Network intrusion detection systems (NIDS) could be configured to detect unusual traffic targeting /goform/websWhiteList with suspicious payloads. Specific commands are not provided in the resources, but using tools like curl or wget to send crafted HTTP POST requests to /goform/websWhiteList with oversized addHostFilter parameters could help detect the vulnerability. [2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include discontinuing use of the affected UTT HiPER 840G firmware versions up to 3.1.1-190328, as no patches or vendor mitigations are available. Consider replacing the affected product with an alternative device. Additionally, restrict or block remote access to the /goform/websWhiteList endpoint via network controls such as firewalls or access control lists to prevent exploitation. Monitoring for exploit attempts and applying network-level protections can help reduce risk until a permanent fix or replacement is implemented. [2]