Buffer Overflow Vulnerability in TOTOLINK Routers
CVE-2025-4830

8.7HIGH

Key Information:

Vendor

Totolink
Status
A702r
A3002r
A3002ru
Vendor
CVE Published:
17 May 2025

What is CVE-2025-4830?

A buffer overflow vulnerability has been identified in the HTTP POST Request Handler of TOTOLINK A702R, A3002R, and A3002RU models. This issue arises from the manipulation of the 'submit-url' argument within the /boafrm/formSysCmd file, allowing an attacker to potentially exploit the device remotely. Given the public disclosure of this exploit, it is crucial for users to review their device security and apply necessary updates or mitigations.

Affected Version(s)

A3002R 3.0.0-B20230809.1615

A3002RU 3.0.0-B20230809.1615

A702R 3.0.0-B20230809.1615

References

https://vuldb.com/?id.309296
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309296
signaturepermissions-required
https://vuldb.com/?submit.574600
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

BabyShark (VulDB User)
JSON
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