CVE-2025-9303
TOTOLINK A720R cstecgi.cgi setParentalRules buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 21, 2025
- Updated
- Aug 21, 2025
- Reserved
- Aug 21, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A720RTOTOLINK |
|
References
- VDB-320908 | TOTOLINK A720R cstecgi.cgi setParentalRules buffer overflowvdb-entrytechnical-description
- VDB-320908 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #632410 | TOTOLINK A720R V4.1.5cu.630_B20250509 Buffer Overflowthird-party-advisory
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.mdrelated
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md#pocexploit
- https://www.totolink.net/product
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