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Description

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.

PUBLISHED Reserved 2026-04-27 | Published 2026-04-28 | Updated 2026-04-29 | Assigner VulDB




HIGH: 8.6CVSS: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
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.3AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

3.4.0-B20250430
affected

Timeline

2026-04-27:Advisory disclosed
2026-04-27:VulDB entry created
2026-04-27:VulDB entry last update

Credits

xyhackr (VulDB User) reporter

References

vuldb.com/vuln/359819 (VDB-359819 | Totolink N300RT formIpQoS buffer overflow) vdb-entry technical-description

vuldb.com/vuln/359819/cti (VDB-359819 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/808194 (Submit #808194 | TOTOLINK N300RT Router V3.4.0-B20250430 Buffer Overflow) third-party-advisory

github.com/...ree/main/Vendors/TOTOLINK/N300RT/formIpQoS-Bof exploit

www.totolink.net/ product

cve.org (CVE-2026-7219)

nvd.nist.gov (CVE-2026-7219)

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