Information disclosure in Totolink A720r
CVE-2025-4270
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Information Disclosure
EPSS: 0.109 (95.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Totolink A720r — versions 4.1.5cu.374
- Totolink A720r_firmware — versions 4.1.5cu.374
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 (related, Exploit)
- cna@vuldb.com (Exploit, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-4270?
- CVE-2025-4270 is a medium-severity vulnerability in Totolink A720r, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-05-05.
- How severe is CVE-2025-4270?
- Medium severity. CVSS v3 base score is 5.3 out of 10.