CVE-2025-4496

HIGH

Totolink A3000ru Firmware - Memory Corruption

Title source: rule
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.308212
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.308212
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.567081
Product product
https://www.totolink.net/

Scores

CVSS v3 8.8
EPSS 0.0064
EPSS Percentile 70.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (7)
totolink/a3000ru_firmware 4.1.8cu.5241_b20210927
totolink/a3100r_firmware 4.1.8cu.5241_b20210927
totolink/a800r_firmware 4.1.8cu.5241_b20210927
totolink/a810r_firmware 4.1.8cu.5241_b20210927
totolink/a950rg_firmware 4.1.8cu.5241_b20210927
totolink/n600r_firmware 4.1.8cu.5241_b20210927
totolink/t10_firmware 4.1.8cu.5241_b20210927
Published May 10, 2025
Tracked Since Feb 18, 2026