Buffer Overflow Vulnerability in Tp-Link TL-WR840N Router Firmware
CVE-2021-46122

7.2HIGH

Key Information:

Vendor

Tp-link
Status
Tl-wr840n Firmware
Vendor
CVE Published:
18 April 2022

What is CVE-2021-46122?

The TP-Link TL-WR840N (EU) v6.20 Router Firmware is susceptible to a buffer overflow vulnerability triggered through the password reset functionality. This flaw can potentially allow attackers to manipulate memory, leading to unauthorized access or remote code execution. Users are advised to update to the latest firmware and review security configurations to mitigate risks associated with this vulnerability.

References

https://k4m1ll0.com/cve-tplink-tlwr840n-euV620-password-r...
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.