Buffer Overflow Vulnerability in TOTOLINK A702R, A3002R, and A3002RU Products
CVE-2025-4826

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists

What is CVE-2025-4826?

A significant security flaw has been identified in certain TOTOLINK router models, where improper handling of HTTP POST requests can cause a buffer overflow. This vulnerability, linked to the 'submit-url' parameter in the /boafrm/formWirelessTbl component, exposes affected devices to the risk of remote attacks. As the exploit is public knowledge, immediate action is necessary to safeguard network security and prevent unauthorized access.

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Deploy the Patch

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.309287
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309287
signaturepermissions-required
https://vuldb.com/?submit.574597
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

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

BabyShark (VulDB User)
JSON
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