Buffer overflow in Totolink Ex1800t
CVE-2025-1852
A vulnerability has been found in Totolink EX1800T 9.1.0cu.2112_B20220316 and classified as critical. This vulnerability affects the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Totolink Ex1800t — versions 9.1.0cu.2112_B20220316
- Totolink Ex1800t_firmware — versions 9.1.0cu.2112_b20220316
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (exploit, Broken Link)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-1852?
- CVE-2025-1852 is a high-severity vulnerability in Totolink Ex1800t, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-03-03.
- How severe is CVE-2025-1852?
- High severity. CVSS v3 base score is 8.8 out of 10.