Buffer overflow in Linksys WRT54GL

CVE-2022-43970

7.2HIGH

Key Information

Vendor
Linksys
Status
Wrt54gl Wireless-g Broadband Router
Vendor
CVE Published:
9 January 2023

Summary

A buffer overflow vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A stack-based buffer overflow in the Start_EPI function within the httpd binary allows an authenticated attacker with administrator privileges to execute arbitrary commands on the underlying Linux operating system as root. This vulnerablity can be triggered over the network via a malicious POST request to /apply.cgi.

Affected Version(s)

WRT54GL Wireless-G Broadband Router <= 4.30.18.006

References

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

Collectors

NVD DatabaseMitre Database

Credit

Jessie Chick of Trellix ARC
.