Buffer Overflow Vulnerability in TOTOLINK A3100R Router
CVE-2025-45787

9.8CRITICAL

Key Information:

Vendor

TOTOLINK
Status
A3100R
Vendor
CVE Published:
8 May 2025

What is CVE-2025-45787?

The TOTOLINK A3100R router, specifically version V5.9c.1527, is susceptible to a buffer overflow vulnerability that can be exploited through the 'comment' parameter in the 'setIpPortFilterRules' function. This flaw may allow an attacker to execute arbitrary code, leading to unauthorized access or manipulation of the device, posing significant risks to network security. Users are urged to review their device configurations and apply the latest security patches.

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIO...

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

.