CVE-2026-7750
HIGH EPSS 36.7%
Published May 4, 20262mo ago · Modified Jun 17, 20262w ago
7.4 CVSS 4.0
Published May 4, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago
Description
A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
36.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120
References 5
- lavender-bicycle-a5a.notion.site https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setMacFilterRules-34553a41781f809cb952cdcb71ce90d8
- vuldb.com https://vuldb.com/submit/807204
- vuldb.com https://vuldb.com/vuln/360925
- vuldb.com https://vuldb.com/vuln/360925/cti
- totolink.net https://www.totolink.net/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.