CVE-2026-7219

A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.

CVSS v4.0

7.3 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/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

CVSS v3.1

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

8.3 HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

EPSS

0.59% chance of exploitation in the next 30 days, 46th percentile

Published

2026-04-28

Updated

2026-04-29

Proof-of-concept exploits (1)

• xiaohaiyang-ai/IoT-Vulnerability-Research/tree/main/Vendors/TOTOLINK/N300RT/formIpQoS-Bof

References

• CVE Record
• NVD entry

Related

• CVE-2026-6560
• CVE-2026-7218
• CVE-2026-8133
• CVE-2026-7220
• CVE-2026-7217
• CVE-2026-7221