Findings

CVE-2026-5101

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024.

Published Mar 29, 2026 · updated Jun 17, 2026 · totolink a3300r firmware

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

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. Mar 29, 2026 · NIST NVD

    Detected

    A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Affected

  • cpe totolink/a3300r firmware17.0.0cu.557_b20221024

Sources

  • CVE.orgVulnerability recordCVE-2026-5101

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-5101

    A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack

    nvd.nist.gov

References