CVE-2025-5902

Public Exploit
TOTOLINK T10 POST Request cstecgi.cgi setUpgradeFW buffer overflow

Description

A vulnerability was found in TOTOLINK T10 4.1.8cu.5207 and classified as critical. This issue affects the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument slaveIpList leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Categories

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 notion.site Third-Party Advisory vuldb.com
Affected: TOTOLINK T10
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.311675 vdb entry third party advisory technical description
https://vuldb.com/?ctiid.311675 vdb entry permissions required signature
https://vuldb.com/?submit.592246 vdb entry third party advisory
https://candle-throne-f75.notion.site/TOTOLINK-T10-setUpgradeFW-20bdf0aa11858089bc28f634bb140d00 exploit third party advisory patch
https://www.totolink.net/ product

Frequently Asked Questions

What is the severity of CVE-2025-5902?
CVE-2025-5902 has been scored as a high severity vulnerability.
How to fix CVE-2025-5902?
To fix CVE-2025-5902, 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-2025-5902 being actively exploited in the wild?
It is possible that CVE-2025-5902 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-2025-5902?
CVE-2025-5902 affects TOTOLINK T10.
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