Buffer overflow in Totolink Ex1800t
CVE-2025-2370
A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument apcliSsid leads to stack-based buffer overflow. The attack can 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: 0.011 (65.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Totolink Ex1800t — versions 9.1.0cu.2112_B20220316
- Totolink Ex1800t Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
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/kn0sky/cve/blob/main/TOTOLINK EX1800T/Stack-based Buffer Overflow 03… (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-2370?
- CVE-2025-2370 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 2025-03-17.
- How severe is CVE-2025-2370?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-2370 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.