A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.
References
| Link | Resource |
|---|---|
| https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md | Exploit Third Party Advisory |
| https://vuldb.com/?ctiid.329910 | Permissions Required VDB Entry |
| https://vuldb.com/?id.329910 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.673722 | Third Party Advisory VDB Entry |
| https://www.totolink.net/ | Product |
Configurations
Configuration 1 (hide)
| AND |
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History
27 Oct 2025, 17:58
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md - Exploit, Third Party Advisory | |
| References | () https://vuldb.com/?ctiid.329910 - Permissions Required, VDB Entry | |
| References | () https://vuldb.com/?id.329910 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.673722 - Third Party Advisory, VDB Entry | |
| References | () https://www.totolink.net/ - Product | |
| CPE | cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:* cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:* |
|
| First Time |
Totolink
Totolink a3300r Firmware Totolink a3300r |
27 Oct 2025, 07:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-10-27 07:15
Updated : 2025-10-27 17:58
NVD link : CVE-2025-12240
Mitre link : CVE-2025-12240
CVE.ORG link : CVE-2025-12240
JSON object : View
Products Affected
totolink
- a3300r_firmware
- a3300r