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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Totolink
  • A3000ru
  • A3000ru Firmware
  • A3100r
  • A3100r Firmware
  • A800r
  • A800r Firmware
  • A810r
  • A810r Firmware
  • A950rg
  • A950rg Firmware
  • N600r
  • N600r Firmware
  • T10
  • T10 Firmware

Configuration 1 [-]

AND
cpe:2.3:o:totolink:a3000ru_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3000ru:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND
cpe:2.3:o:totolink:a810r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a810r:-:*:*:*:*:*:*:*

Configuration 3 [-]

AND
cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:*

Configuration 4 [-]

AND
cpe:2.3:o:totolink:a3100r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*

Configuration 5 [-]

AND
cpe:2.3:o:totolink:a950rg_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:*

Configuration 6 [-]

AND
cpe:2.3:o:totolink:a800r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a800r:-:*:*:*:*:*:*:*

Configuration 7 [-]

AND
cpe:2.3:o:totolink:n600r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:h:totolink:n600r:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/1.md cve-icon cve-icon cve-icon
https://vuldb.com/?ctiid.308212 cve-icon cve-icon
https://vuldb.com/?id.308212 cve-icon cve-icon
https://vuldb.com/?submit.567081 cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Tue, 29 Jul 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink a3000ru Firmware
Totolink a3100r Firmware
Totolink a800r Firmware
Totolink a810r Firmware
Totolink a950rg Firmware
Totolink n600r Firmware
Totolink t10 Firmware
CPEs cpe:2.3:h:totolink:a3000ru:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a800r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a810r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a950rg:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:n600r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:t10:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3000ru_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a3100r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a800r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a810r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a950rg_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:n600r_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
cpe:2.3:o:totolink:t10_firmware:4.1.8cu.5241_b20210927:*:*:*:*:*:*:*
Vendors & Products Totolink a3000ru Firmware
Totolink a3100r Firmware
Totolink a800r Firmware
Totolink a810r Firmware
Totolink a950rg Firmware
Totolink n600r Firmware
Totolink t10 Firmware

Mon, 12 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Sat, 10 May 2025 05:15:00 +0000

Type Values Removed Values Added
Description 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.
Title TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-05-10T05:00:10.763Z

Updated: 2025-05-12T19:30:55.738Z

Reserved: 2025-05-09T12:33:38.764Z

Link: CVE-2025-4496

cve-icon Vulnrichment

Updated: 2025-05-12T19:30:47.754Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-10T05:15:50.610

Modified: 2025-07-29T14:42:19.960

Link: CVE-2025-4496

cve-icon Redhat

No data.