CVE-2025-12241

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 v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setLanguageCfg.md	Exploit Third Party Advisory
https://vuldb.com/?ctiid.329911	Permissions Required VDB Entry
https://vuldb.com/?id.329911	Third Party Advisory VDB Entry
https://vuldb.com/?submit.673723	Third Party Advisory VDB Entry
https://www.totolink.net/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-10-27 07:15

Updated : 2025-10-28 02:16

NVD link : CVE-2025-12241

Mitre link : CVE-2025-12241

CVE.ORG link : CVE-2025-12241

JSON object : View

Products Affected

totolink

a3300r
a3300r_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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