Vulnerability details
CVE-2025-9303
Totolink A720R
TOTOLINK A720R cstecgi.cgi setParentalRules buffer overflow
CVSS 4.0
8.7High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 9.0High | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Totolink | A720R | 4.1.5cu.630_B20250509 | CVEProject cvelistV5 (CNA) |
References and advisories
6- https://vuldb.com/?id.320908 vdb-entrytechnical-description
- https://vuldb.com/?ctiid.320908 signaturepermissions-required
- https://vuldb.com/?submit.632410 third-party-advisory
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md related
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md#poc exploit
- https://www.totolink.net/ product
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Details
- Published
- 2025-08-21
- Last updated
- 2025-08-21
- State
- Published
- Assigner (CNA)
- VulDB
Exploit prediction (EPSS)
0.89%
Probability of exploitation in 30 days
59.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-120Buffer Overflow
- CWE-119Memory Corruption