Buffer overflow in Totolink T10
CVE-2025-14964
A vulnerability has been found in TOTOLINK T10 4.1.8cu.5083_B20200521. This affects the function sprintf of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument loginAuthUrl leads to stack-based buffer overflow. The attack may be performed from remote.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Totolink T10 — versions 4.1.8cu.5083_B20200521
- Totolink T10 Firmware — versions 4.1.8cu.5803_b20200521
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/JackWesleyy/CVE/blob/main/TOTOLINK_T10_BOC.md (related, Exploit, Third Party Advisory)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-14964?
- CVE-2025-14964 is a critical-severity vulnerability in Totolink T10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-12-19.
- How severe is CVE-2025-14964?
- Critical severity. CVSS v3 base score is 9.8 out of 10.