CVE-2025-9780 HIGH

CVE-2025-9780: TOTOLINK A702R formIpQoS sub_419BE0 buffer overflow

Vendor Totolink
Product A702R
Weakness CWE-120
Published September 1, 2025
Last update September 2, 2025
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

A flaw has been found in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this issue is the function sub_419BE0 of the file /boafrm/formIpQoS. This manipulation of the argument mac causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

September 1, 2025 CVE published
September 2, 2025 Record updated