A weakness has been identified in Totolink N300RH 3.2.4-B20220812.

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. May 4, 2026 · NIST NVD

   Detected

   A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

2. Jun 17, 2026 · NIST NVD

   Updated

   A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Sources

• CVE.orgVulnerability recordCVE-2026-7748

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-7748

  A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack

  nvd.nist.gov

References

• Reference · lavender-bicycle-a5a.notion.site
• Reference · vuldb.com
• Reference · vuldb.com
• Reference · vuldb.com
• Reference · totolink.net