CVE-2025-6138

Name: CVE-2025-6138
Creator: NVD / NIST
Published: 2025-06-16T21:15:24.323+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2025-6138 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability classified as critical was found in TOTOLINK T10 4.1.8cu.5207. Affected by this vulnerability is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical was found in TOTOLINK T10 4.1.8cu.5207. Affected by this vulnerability is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ssid5g leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	T10 Firmware	4.1.8cu.5207

References

https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153?pvs=73Exploit, Third Party Advisory
https://vuldb.com/?ctiid.312607Permissions Required, VDB Entry
https://vuldb.com/?id.312607Third Party Advisory, VDB Entry
https://vuldb.com/?submit.592917Third Party Advisory, VDB Entry
https://www.totolink.net/Product
https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153Exploit, Third Party Advisory

Timeline

Published: Jun 16, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6138?

How severe is CVE-2025-6138?

CVE-2025-6138 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6138?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6138?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST