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CVE-2025-12240

HIGH

8.8

Description

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published10/27/2025

Last Modified10/27/2025

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:a3300rtotolink:a3300r_firmware

Weaknesses (CWE)

CWE-119CWE-120CWE-120

References

https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md(cna@vuldb.com)

https://vuldb.com/?ctiid.329910(cna@vuldb.com)

https://vuldb.com/?id.329910(cna@vuldb.com)

https://vuldb.com/?submit.673722(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

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