CVE-2025-9303
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-08-21

Last updated on: 2025-10-06

Assigner: VulDB

Description
A security flaw has been discovered in TOTOLINK A720R 4.1.5cu.630_B20250509. This issue affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument desc results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be exploited.
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Meta Information
Published
2025-08-21
Last Modified
2025-10-06
Generated
2026-05-06
AI Q&A
2025-08-21
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
totolink a720r_firmware 4.1.5cu.630_b20250509
totolink a720r *
Helpful Resources
Exploitability
CWE
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KEV
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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.
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.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a buffer overflow flaw in the TOTOLINK A720R router firmware version 4.1.5cu.630_B20250509. It occurs in the setParentalRules function of the /cgi-bin/cstecgi.cgi file when the argument 'desc' is manipulated. An attacker can exploit this remotely to cause a buffer overflow, potentially leading to arbitrary code execution or system compromise.


How can this vulnerability impact me? :

Exploitation of this vulnerability can allow a remote attacker to execute arbitrary code or commands on the affected device, potentially leading to full system compromise. This could result in unauthorized access, disruption of network services, or use of the device as a foothold for further attacks.


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