Stack-Based Buffer Overflow in Tenda G3 Routers
CVE-2024-8225

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
G3
Vendor
CVE Published:
27 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-8225?

A significant stack-based buffer overflow vulnerability has been identified in Tenda G3 routers running version 15.11.0.20, specifically within the 'formSetSysTime' function of the 'SetSysTimeCfg' endpoint. This vulnerability can be exploited remotely by manipulating the 'sysTimePolicy' argument, potentially allowing an attacker to execute arbitrary code on the affected device. The exploit is public and has been disclosed, raising concerns for users' IoT security. Despite early notifications to Tenda, no response has been received, emphasizing the urgency for users to apply available security measures promptly.

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Affected Version(s)

G3 15.11.0.20

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-2024-8225 - Proof of Concept

References

https://vuldb.com/?id.275934
vdb-entrytechnical-description
https://vuldb.com/?ctiid.275934
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https://vuldb.com/?submit.394000
third-party-advisory

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

Credit

wxhwxhwxh_tutu (VulDB User)
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