CVE-2025-6138: t10 Buffer Overflow — Exploit

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.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
totolink	t10_firmware	All
totolink	t10	All

References

Exploits

https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153?pvs=73 https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153

Other References

https://vuldb.com/?ctiid.312607 https://vuldb.com/?id.312607 https://vuldb.com/?submit.592917 https://www.totolink.net/

Frequently Asked Questions

What is CVE-2025-6138? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-6138? +

CVE-2025-6138 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-6138? +

CVE-2025-6138 affects products from totolink, specifically: t10, t10_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6138? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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