Buffer overflow in Totolink X15
CVE-2025-8243
A vulnerability was found in TOTOLINK X15 1.0.0-B20230714.1105 and classified as critical. This issue affects some unknown processing of the file /boafrm/formMapDel of the component HTTP POST Request Handler. The manipulation of the argument devicemac1 leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.4th 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 X15 — versions 1.0.0-B20230714.1105
- Totolink X15_firmware — versions 1.0.0-b20230714.1105
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, exploit, Vendor Advisory)
- cna@vuldb.com (Product, product, broken-link)
Frequently asked questions
- What is CVE-2025-8243?
- CVE-2025-8243 is a high-severity vulnerability in Totolink X15, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-27.
- How severe is CVE-2025-8243?
- High severity. CVSS v3 base score is 8.8 out of 10.