High severity · published Jul 22, 2025
CVE-2025-8019
Shenzhen Libituo Technology LBT-T300-T310 appy.cgi sub_40B6F0 buffer overflow
8.8
CVSS
1%
EPSS
No
On KEV
Description
A vulnerability was found in Shenzhen Libituo Technology LBT-T300-T310 2.2.3.6. It has been rated as critical. Affected by this issue is the function sub_40B6F0 of the file at/appy.cgi. The manipulation of the argument wan_proto leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LB
LBT-T300-T310 · Shenzhen Libituo Technology
2.2.3.6 · source: vendor
LF
Lbt-t300-t310 Firmware · Szlbt
2.2.3.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-8019
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-8019
Exploit
https://github.com/turing-wue/IoT-vul/blob/main/LBT-T300/README.md
Exploit
https://github.com/turing-wue/IoT-vul/blob/main/LBT-T300/README.md#payload
Permissions Required
https://vuldb.com/?ctiid.317222
Third Party Advisory
https://vuldb.com/?id.317222
Third Party Advisory
https://vuldb.com/?submit.619530
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