CVE-2025-31700
BaseFortify
Publication date: 2025-07-23
Last updated on: 2025-07-25
Assigner: Dahua Technologies
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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?
This vulnerability is a buffer overflow in Dahua products that can be exploited by attackers sending specially crafted malicious packets. Exploiting this flaw can lead to service disruption such as crashes or potentially allow remote code execution (RCE). Some devices have protections like Address Space Layout Randomization (ASLR) which make RCE less likely, but denial-of-service (DoS) attacks are still possible.
How can this vulnerability impact me? :
The vulnerability can impact you by causing service disruptions including crashes of affected devices. In the worst case, attackers could execute arbitrary code remotely, potentially taking control of the device. Even if remote code execution is mitigated by protections like ASLR, denial-of-service attacks remain a risk, which can interrupt normal operations.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should apply any available patches or updates from Dahua for the affected products. Additionally, consider implementing network-level protections such as blocking or filtering malicious packets that could exploit the buffer overflow. Employing security mechanisms like Address Space Layout Randomization (ASLR) where available can reduce the risk of remote code execution, but denial-of-service attacks may still be possible, so monitoring and limiting exposure is recommended.