CVE-2025-6138: TOTOLINK T10 HTTP POST Request cstecgi.cgi setWizardCfg buffer overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-16 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

TOTOLINK T10: 4.1.8cu.5207

References

https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153?pvs=73
https://vuldb.com/?ctiid.312607
https://vuldb.com/?id.312607
https://vuldb.com/?submit.592917
https://www.totolink.net/
https://candle-throne-f75.notion.site/TOTOLINK-T10-setWizardCfg-20ddf0aa1185808892f1dbbf63e6a153

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