What’s Vulnerable › Vulnerabilities

CVE-2025-2370: TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig stack-based overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-17 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was found in TOTOLINK EX1800T up to 9.1.0cu.2112_B20220316. It has been declared as critical. Affected by this vulnerability is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument apcliSsid leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• TOTOLINK EX1800T: through 9.1.0cu.2112_b20220316

References

• https://github.com/kn0sky/cve/blob/main/TOTOLINK%20EX1800T/Stack-based%20Buffer%20Overflow%2003%20setWiFiExtenderConfig-_apcliSsid.md
• https://vuldb.com/?ctiid.299869
• https://vuldb.com/?id.299869
• https://vuldb.com/?submit.515329
• https://www.totolink.net/

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