CVE-2025-8140

Public Exploit
TOTOLINK A702R HTTP POST Request formWlanMultipleAP buffer overflow

Description

A vulnerability was found in TOTOLINK A702R 4.0.0-B20230721.1521. It has been declared as critical. This vulnerability affects unknown code of the file /boafrm/formWlanMultipleAP of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Category

7.4
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory vuldb.com Third-Party Advisory github.com Third-Party Advisory vuldb.com
Affected: TOTOLINK A702R
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.317536 third party advisory technical description vdb entry
https://vuldb.com/?ctiid.317536 signature permissions required
https://vuldb.com/?submit.620486 vdb entry third party advisory
https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formWlanMultipleAP.md exploit third party advisory
https://www.totolink.net/ product

Frequently Asked Questions

What is the severity of CVE-2025-8140?
CVE-2025-8140 has been scored as a high severity vulnerability.
How to fix CVE-2025-8140?
To fix CVE-2025-8140, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8140 being actively exploited in the wild?
It is possible that CVE-2025-8140 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8140?
CVE-2025-8140 affects TOTOLINK A702R.
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