CVE-2025-8170
A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748_B20211015.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability classified as critical was found in TOTOLINK T6 4.1.5cu.748_B20211015. This vulnerability affects the function tcpcheck_net of the file /router/meshSlaveDlfw of the component MQTT Packet Handler. The manipulation of the argument serverIp leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
- CVSS 4.0
- 7.4 HIGHCVSS: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/M
- EPSS
- 1.06% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-120
- Affected
- totolink/t6 firmware
- Source
- cna@vuldb.com
References
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.mdExploit, Third Party Advisory
- https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/9.md#pocExploit, Third Party Advisory
- https://vuldb.com/?ctiid.317584Permissions Required
- https://vuldb.com/?id.317584Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.620834Third Party Advisory, VDB Entry
- https://www.totolink.net/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.