CVE-2025-9303

HIGH EPSS 51.0%
Published Aug 21, 202510mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Aug 21, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.4
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
51.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120

Affected Products 2

VendorProductVersionRange
totolinka720r_firmware4.1.5cu.630_b20250509any
totolinka720r*any

References 6

  • github.com https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md
    ExploitThird Party Advisory
  • github.com https://github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md#poc
    ExploitThird Party Advisory
  • vuldb.com https://vuldb.com/?ctiid.320908
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.320908
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.632410
    Third Party AdvisoryVDB Entry
  • totolink.net https://www.totolink.net/
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.