A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024.

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 30, 2026 · NIST NVD

   Detected

   A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument qos_up_bw results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

2. Jun 17, 2026 · NIST NVD

   Updated

   A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument qos_up_bw results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Affected

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

Sources

• CVE.orgVulnerability recordCVE-2026-5102

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-5102

  A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument qos_up_bw results in command injection. The

  nvd.nist.gov

References

• Exploit · github.com
• Permissions Required · vuldb.com
• Third Party Advisory · vuldb.com
• Third Party Advisory · vuldb.com
• Product · totolink.net