VulnerabilityAnalyzed
CVE-2025-9303
Performing manipulation of the argument desc results in buffer overflow.
HIGH 7.4EPSS 0.85%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 7.4 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- totolink/a720r firmware
- Source
- cna@vuldb.com
References
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.mdExploit, Third Party Advisory
- https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md#pocExploit, Third Party Advisory
- https://vuldb.com/?ctiid.320908Permissions Required, VDB Entry
- https://vuldb.com/?id.320908Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.632410Third Party Advisory, VDB Entry
- https://www.totolink.net/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.