Vulnerability Monitor

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CVE-2025-4496

A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927. It has been declared as critical. This vulnerability affects the function CloudACMunualUpdate of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Published

2025-05-10T05:15:50.610

Last Modified

2025-07-29T14:42:19.960

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-119
    CWE-120
  • Type: Primary
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System totolink a3000ru_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink a3000ru - No
Operating System totolink a810r_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink a810r - No
Operating System totolink t10_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink t10 - No
Operating System totolink a3100r_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink a3100r - No
Operating System totolink a950rg_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink a950rg - No
Operating System totolink a800r_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink a800r - No
Operating System totolink n600r_firmware 4.1.8cu.5241_b20210927 Yes
Hardware totolink n600r - No
References