CVE-2026-7748 — Totolink N300RH POST Request cstecgi.cgi setUpgradeFW buffer overflow
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 Req…
Published: 2026-05-04 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7