Buffer overflow in Totolink A3002r
CVE-2025-4730
A vulnerability was found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. It has been rated as critical. Affected by this issue is some unknown functionality 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 launched 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: 0.008 (55.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Totolink A3002r — versions 3.0.0-B20230809.1615
- Totolink A3002r Firmware — versions 3.0.0-b20230809.1615
- Totolink A3002ru — versions 3.0.0-B20230809.1615
- Totolink A3002ru Firmware — versions 3.0.0-b20230809.1615
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/CH13hh/tmp_store_cc/blob/main/tt/ta/3.md (exploit, broken-link, Broken Link)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-4730?
- CVE-2025-4730 is a high-severity vulnerability in Totolink A3002r, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-16.
- How severe is CVE-2025-4730?
- High severity. CVSS v3 base score is 8.8 out of 10.