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THREATINT
PUBLISHED

CVE-2025-4496

TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow



Description

EN DE

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.

In TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927 wurde eine Schwachstelle ausgemacht. Sie wurde als kritisch eingestuft. Betroffen ist die Funktion CloudACMunualUpdate der Datei /cgi-bin/cstecgi.cgi. Durch die Manipulation des Arguments FileName mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-05-09 | Published 2025-05-10 | Updated 2025-05-12 | Assigner VulDB


HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C

Problem types

Buffer Overflow

Memory Corruption

Product status

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

4.1.8cu.5241_B20210927
affected

Timeline

2025-05-09:Advisory disclosed
2025-05-09:VulDB entry created
2025-05-09:VulDB entry last update

Credits

BabyShark (VulDB User) reporter

References

vuldb.com/?id.308212 (VDB-308212 | TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R cstecgi.cgi CloudACMunualUpdate buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.308212 (VDB-308212 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.567081 (Submit #567081 | TOTOLINK T10/A3100R/A950RG/A800R/N600R/A3000RU/A810R V4.1.8cu.5241_B20210927 Buffer Overflow) third-party-advisory

github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/1.md exploit

www.totolink.net/ product

cve.org (CVE-2025-4496)

nvd.nist.gov (CVE-2025-4496)

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