Buffer overflow in Shenzhen Libituo Technology Lbt-T300-T310
CVE-2025-8019
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Shenzhen Libituo Technology Lbt-T300-T310 — versions 2.2.3.6
- Szlbt Lbt-T300-T310
- Szlbt Lbt-T300-T310 Firmware — versions 2.2.3.6
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/turing-wue/IoT-vul/blob/main/LBT-T300/README.md (related, Exploit, Third Party Advisory)
- github.com/turing-wue/IoT-vul/blob/main/LBT-T300/README.md (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-8019?
- CVE-2025-8019 is a high-severity vulnerability in Shenzhen Libituo Technology Lbt-T300-T310, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-22.
- How severe is CVE-2025-8019?
- High severity. CVSS v3 base score is 8.8 out of 10.