A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00077.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Totolink
  • A3300r

No data.

No data.

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Vendors Products
Totolink
  • A3300r
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setOpModeCfg.md cve-icon cve-icon
https://vuldb.com/?ctiid.329929 cve-icon cve-icon
https://vuldb.com/?id.329929 cve-icon cve-icon
https://vuldb.com/?submit.673725 cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Mon, 27 Oct 2025 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink a3300r
Vendors & Products Totolink
Totolink a3300r

Mon, 27 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 27 Oct 2025 09:45:00 +0000

Type Values Removed Values Added
Description A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. Impacted is the function setOpModeCfg of the file /cgi-bin/cstecgi.cg of the component POST Parameter Handler. The manipulation of the argument opmode results in stack-based buffer overflow. The attack may be performed from remote.
Title TOTOLINK A3300R POST Parameter cstecgi.cg setOpModeCfg stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': '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:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-10-27T13:23:42.434Z

Reserved: 2025-10-26T05:37:38.508Z

Link: CVE-2025-12258

cve-icon Vulnrichment

Updated: 2025-10-27T13:23:39.182Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-27T10:15:38.417

Modified: 2025-10-27T13:19:49.063

Link: CVE-2025-12258

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-27T22:04:11Z