Buffer overflow in Tenda Fh1206
CVE-2024-4020
A vulnerability was found in Tenda FH1206 1.2.0.8(8155) and classified as critical. This issue affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument entrys leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-261671. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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: 0.016 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Tenda Fh1206 — versions 1.2.0.8(8155)
- Tenda Fh1206 Firmware — versions 1.2.0.8\(8155\), 1.2.0.8(8155)
Weakness classification (CWE)
References
- vuldb.com/ (Permissions Required, technical-description, VDB Entry, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- palm-vertebra-fe9.notion.site/fromAddressNat_entrys-b04d5356e5f04e30b37cb9037b9… (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2024-4020?
- CVE-2024-4020 is a high-severity vulnerability in Tenda Fh1206, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-04-20.
- How severe is CVE-2024-4020?
- High severity. CVSS v3 base score is 8.8 out of 10.