Home/CVE/A vulnerability was found in Tenda FH1206 1.2.0.8(8155) and classified as critical. This issue affects the function from
CVE

CVE-2024-4020

A vulnerability was found in Tenda FH1206 1.2.0.8(8155) and classified as critical. This issue affects the function from

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.

HIGH · CVSS 8.8 EPSS 0.00134
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
tenda fh1206 firmwareall versions
⚠

Public Exploits & PoCs

1
pocpalm-vertebra-fe9.notion.site · fromAddressNat_entrys-b04d5356e5f04e30b37cb9037b94e1b2palm-vertebra-fe9.notion.site
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Apr 2024 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.261671Permissions RequiredVDB Entry
https://vuldb.com/?id.261671Permissions RequiredVDB Entry
https://vuldb.com/?submit.316036Third Party AdvisoryVDB Entry
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