Privilege escalation in Totolink A3700r
CVE-2025-3674
A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been declared as critical. Affected by this vulnerability is the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Published · last modified .
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:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000
Affected products
- Totolink A3700r — versions 9.1.2u.5822_B20200513
- Totolink A3700r Firmware — versions 9.1.2u.5822_b20200513
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)
- lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUrlFilterRules-1cb53a41781f… (Exploit, exploit)
- www.totolink.net/ (Product, product)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit)
Frequently asked questions
- What is CVE-2025-3674?
- CVE-2025-3674 is a medium-severity vulnerability in Totolink A3700r, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2025-04-16.
- How severe is CVE-2025-3674?
- Medium severity. CVSS v3 base score is 5.3 out of 10.