Pre-auth Buffer Overflow Vulnerability in TOTOLINK Routers
CVE-2025-28033

7.3HIGH

Key Information:

Vendor

TOTOLINK
Status
A800R, A810R, A830R, A950RG, A3000RU, A3100R Routers
Vendor
CVE Published:
22 April 2025

What is CVE-2025-28033?

This vulnerability affects specific TOTOLINK router models, allowing exploitation via the 'setNoticeCfg' function through the 'IpTo' parameter. An attacker can cause a buffer overflow without prior authentication, potentially leading to unauthorized access or disruption of service. Ensuring that your routers are updated with the latest firmware can help mitigate the risks associated with this vulnerability.

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References

https://locrian-lightning-dc7.notion.site/BufferOverflow7...

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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