Stack-based Buffer Overflow in Tenda AC-10U AC1200 Router
CVE-2020-22079

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac10u Firmware
Vendor
CVE Published:
29 October 2021

What is CVE-2020-22079?

The Tenda AC-10U AC1200 Router has a stack-based buffer overflow vulnerability that can be exploited remotely. Specifically, the flaw exists in the handling of the timeZone parameter during the SetSysTimeCfg function. Attackers can craft malicious requests that lead to arbitrary code execution, which may compromise the security of the device and the network it administers. This vulnerability poses significant risks, as it could allow unauthorized users to control the router and manipulate network traffic.

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References

https://cwe.mitre.org/data/definitions/121.html
x_refsource_MISC
https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11
x_refsource_MISC
https://github.com/Lyc-heng/routers/blob/main/routers/sta...
x_refsource_MISC

EPSS Score

6% chance of being exploited in the next 30 days.

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

  • Vulnerability published

  • Vulnerability Reserved

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