ZeroDay Findings
Sign inSign up

Findings

Vulnerability · CVE-2025-3668

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513.

Published Apr 16, 2025 · corrected/updated Apr 16, 2025 · Totolink A3700R · evidence confidence high

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vulnerability affects the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-3668 is a medium public vulnerability record for Totolink A3700R. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Totolink A3700R is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Totolink A3700R 9.1.2u.5822_B20200513 (9.1.2u.5822_B20200513). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 6.9, EPSS 138.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 16, 2025 · EUVD

    Detected

    A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vulnerability affects the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but

  2. Apr 16, 2025 · EUVD

    Updated

    A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vulnerability affects the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but

Affected

  • vendor Totolink A3700R 9.1.2u.5822_B202005139.1.2u.5822_B20200513

Sources

  • EUVDVulnerability recordEUVD-2025-11472

    A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. This vulnerability affects the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be initiated remotely.

    euvd.enisa.europa.eu

References