CVE-2025-12241
HIGH EPSS 56.0%
Published Oct 27, 20258mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
Published Oct 27, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago
Description
A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This impacts the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument lang results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.
CVSS Details
Base Score
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
56.0% 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-121
Affected Products 2
References 5
- github.com https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setLanguageCfg.md
- vuldb.com https://vuldb.com/?ctiid.329911
- vuldb.com https://vuldb.com/?id.329911
- vuldb.com https://vuldb.com/?submit.673723
- totolink.net https://www.totolink.net/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.