CVE-2025-9303

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.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md
https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md#poc
https://vuldb.com/?ctiid.320908
https://vuldb.com/?id.320908
https://vuldb.com/?submit.632410
https://www.totolink.net/

Configurations

No configuration.

History

22 Aug 2025, 18:09

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto una falla de seguridad en TOTOLINK A720R 4.1.5cu.630_B20250509. Este problema afecta a la función setParentalRules del archivo /cgi-bin/cstecgi.cgi. La manipulación del argumento desc provoca un desbordamiento del búfer. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

21 Aug 2025, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-21 15:15

Updated : 2025-08-22 18:09

NVD link : CVE-2025-9303

Mitre link : CVE-2025-9303

CVE.ORG link : CVE-2025-9303

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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