Tenda i6 httpd setcfm formSetCfm stack-based overflow
CVE-2024-0991

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
i6
Vendor
CVE Published:
29 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-0991?

A stack-based buffer overflow has been identified in the Tenda i6 router, specifically in the function formSetCfm within the httpd component. The vulnerability arises from improper handling of the argument funcpara1, which could be manipulated to facilitate an overflow. This flaw allows an attacker to execute arbitrary code remotely, potentially compromising the device's integrity and security. Efforts to contact the vendor regarding this issue have gone unanswered, raising concerns about timely remediation and support for users.

Affected Version(s)

i6 1.0.0.9(3857)

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-0991 - Proof of Concept

References

https://vuldb.com/?id.252256
vdb-entrytechnical-description
https://vuldb.com/?ctiid.252256
signaturepermissions-required
https://jylsec.notion.site/Tenda-i6-has-stack-buffer-over...
exploit

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jylsec (VulDB User)
.