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
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 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% 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: 0.011 · change: +0.001
Affected products
- Totolink X15 — versions 1.0.0-B20230714.1105
- Totolink X15 Firmware — versions 1.0.0-b20230714.1105
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/panda666-888/vuls/blob/main/totolink/x15/formMapDel.md (Exploit, exploit, Vendor Advisory)
- www.totolink.net/ (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.