Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setUpgradeFW-34553a4178
- https://vuldb.com/submit/807202
- https://vuldb.com/vuln/360923
- https://vuldb.com/vuln/360923/cti
- https://www.totolink.net/
FAQ
What is CVE-2026-7748?
CVE-2026-7748 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2026-7748?
CVE-2026-7748 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-7748?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.